@charset "UTF-8";

/* ------------------------------
共通設定・基本レイアウト
--------------------------------*/

:root {
    --font-base: "Hiragino Kaku Gothic ProN", "ヒラギノ角ゴ ProN W3", Meiryo, "メイリオ", Osaka, "MS PGothic", arial, helvetica, sans-serif;
    --navy: #080954;
    --blue: #007cf7;
    --deep-blue: #005ade;
    --cyan: #40deed;
    --pale: #d9f3fc;
    --yellow: #fdf720;
    --white: #fff;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 24px;
}

body {
    font-family: "Hiragino Kaku Gothic ProN", "ヒラギノ角ゴ ProN W3", Meiryo, "メイリオ", Osaka, "MS PGothic", arial, helvetica, sans-serif;
    margin: 0;
    color: var(--navy);
    font-size: 16px;
    line-height: 1.5;
}

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

h1,
h2,
h3,
p {
    margin: 0;
}

a {
    color: inherit;
}

button,
:where(.download-button),
a {
    -webkit-tap-highlight-color: transparent;
    text-decoration: none;
}

a:focus-visible,
:where(.download-button):focus-visible {
    outline: 3px solid #ee5900;
    outline-offset: 5px;
}

mark {
    background: var(--yellow);
    color: inherit;
}

.page {
    max-width: 1366px;
    margin-inline: auto;
    overflow: hidden;
}

.container {
    width: calc(100% - 100px);
    max-width: 1270px;
    margin-inline: auto;
}

.skip-link {
    position: fixed;
    left: 10px;
    top: -100px;
    padding: 12px;
    background: white;
    z-index: 10;
}

.skip-link:focus {
    top: 10px;
}

/* ------------------------------
ヘッダー
--------------------------------*/
.site-header {
    background: linear-gradient(105deg, #ebfaff, #fff 60%, #ebfaff);
    border-block: 1px solid #ddd;
}

.site-header span {}

.site-header-inner {
    max-width: 1366px;
    min-height: 72px;
    margin-inline: auto;
    padding: 12px 50px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.site-brand {
    display: flex;
    align-items: center;
    gap: 24px;
    text-decoration: none;
}

.site-logo {
    font-size: 38px;
    font-weight: 900;
    line-height: 1.2;
    letter-spacing: -.06em;
    white-space: nowrap;
}

.site-tagline,
.corporate-link {
    font-size: 16px;
    font-weight: 700;
}

.corporate-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    white-space: nowrap;
}

.corporate-link:hover {
    text-decoration: underline;
    text-underline-offset: 4px;
}

.external-link-icon {
    position: relative;
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.external-link-icon::before,
.external-link-icon::after {
    content: "";
    position: absolute;
    width: 12px;
    height: 12px;
    border: 1px solid currentColor;
}

.external-link-icon::before {
    right: 0;
    bottom: 0;
}

.external-link-icon::after {
    left: 0;
    top: 0;
    background: #f2fbff;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
    border: 0;
}

/* ------------------------------
メインビジュアル
--------------------------------*/
.mv {
    position: relative;
    background: linear-gradient(105deg, #ebfaff 10%, #fff 80%);
    isolation: isolate;
}

.mv::after {
    content: none;
}

.mv-scene {
    display: contents;
}

.mv-visual {
    height: 623px;
    position: relative;
    overflow: hidden;
}

.mv-people {
    position: absolute;
    width: 100%;
    max-width: none;
    right: 0;
    top: 0;
}

.mv-note {
    position: absolute;
    width: 250px;
    left: 67.3%;
    top: 15px;
}

.mv-sun {
    position: absolute;
    width: 4.612%;
    left: 52.269%;
    top: 158px;
}

.mv-copy {
    position: relative;
    padding-top: 5px;
    margin-left: 10px;
    width: 630px;
    z-index: 10;
}

.school-label {
    display: inline-block;
    background: #2ebafb;
    color: white;
    border-radius: 7px;
    padding: 0 22px;
    font-size: 48px;
    line-height: 1.32;
}

h1 {
    margin-top: 18px;
    font-size: 82px;
    letter-spacing: -.06em;
    font-weight: 900;
    line-height: 1.08;
    white-space: nowrap;
}

h1>span {
    background: linear-gradient(transparent 65%, var(--yellow) 65%, var(--yellow) 94%, transparent 94%);
}

h1 small {
    display: block;
    font-size: 35px;
    letter-spacing: .015em;
    margin-top: 14px;
    font-weight: 800;
}

.share-ribbon {
    display: block;
    width: 380px;
    max-width: 100%;
    height: auto;
    margin-top: 10px;
}


.mv-subtitle {
    position: relative;
    isolation: isolate;
    width: max-content;
    margin: 24px 0 0 16px;
    font-size: 38px;
    font-weight: 900;
    line-height: 1.28;
    color: #172c57;
    transform: rotate(-8deg);
    transform-origin: left top;
    white-space: nowrap;
}

.mv-subtitle::before {
    content: "";
    position: absolute;
    z-index: -1;
    inset: -.4em -.6em;
    border-radius: 50%;
    background: rgba(255, 255, 255, .94);
    filter: blur(.6em);
    pointer-events: none;
}

.mv-notice {
    position: absolute;
    left: 50%;
    bottom: 32px;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    width: 660px;
    max-width: calc(100% - 32px);
    min-height: 106px;
    padding: 18px 22px;
    border: 5px solid #fff;
    border-radius: 12px;
    background: #fff000;
    color: var(--navy);
    font-size: 34px;
    font-weight: 900;
    line-height: 1.4;
}

.mv-nav {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);

    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 56px;
    padding-top: 20px;
    z-index: 11;
}

.pill {
    min-height: 81px;
    border: 4px solid #fff;
    border-radius: 60px;
    background: #067cee;
    color: white;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    font-size: 24px;
    font-weight: 700;
    line-height: 1.13;
    padding: 10px 40px;
}

.pill>img {
    flex: none;
    width: auto;
    height: 49px;
    max-height: none;
    object-fit: contain;
}

.pill:nth-child(2)>img {
    height: 50px;
}

.pill:nth-child(3)>img {
    height: 45px;
}

.pill>span:not(.chevron) {
    text-align: left;
}

.pill small {
    font-size: 20px;
    white-space: nowrap;
}

.pill:first-child {
    gap: 10px;
}

.pill:nth-child(3) {
    gap: 22px;
}


.pill .chevron {
    flex: 0 0 14px;
    width: 14px;
    height: 14px;
    margin-left: auto;
    border-top: 4px solid currentColor;
    border-right: 4px solid currentColor;
    transform: rotate(45deg);
    font-size: 0;
}

.pill:hover {
    background: #0066d8;
}

/* ------------------------------
次期学習指導要領・実施スケジュール
--------------------------------*/
.curriculum {
    background: #effbff;
}

.curriculum-inner {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 48px;
    align-items: center;
    min-height: 322px;
    padding-block: 42px;
}

.lead {

    font-size: 28px;
    font-weight: 900;
    line-height: 1.28;
    letter-spacing: -.025em;
}

.curriculum-note {
    font-size: 20px;
    font-weight: 700;
    line-height: 1.45;
    margin-top: 34px;
}

.curriculum-schedule h2 {
    display: table;
    padding: 0 20px;
    border-radius: 30px;
    background: var(--yellow);
    font-size: 19px;
    font-weight: 900;
    line-height: 1.5;
    margin-bottom: 25px;
}

.schools {
    display: flex;
    gap: 50px;
    list-style: none;
    padding: 0;
    margin: 0;
    align-items: center;
    justify-content: space-between;
}

.schools li {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    background: #dff5ff;
    border-radius: 50%;
    width: 174px;
    aspect-ratio: 1;
    flex: 1;
    line-height: 1.07;
    text-align: center;
}

.schools li+li::before {
    content: "→";
    position: absolute;
    left: -39px;
    top: 38%;
    font-size: 42px;
    color: #00a1ed;
    font-weight: 500;
}

.schools li>img {
    height: 51px;
    width: 60px;
    object-fit: contain;
    filter: brightness(0) saturate(100%) invert(23%) sepia(74%) saturate(1619%) hue-rotate(213deg);
}

.schools strong {
    font-size: 24px;
    margin-top: 6px;
    color: #1f329c;
}

.schools b {
    font-size: 19px;
    color: #1f329c;
}

.schools small {
    font-size: 10px;
    font-weight: 800;
    letter-spacing: -.08em;
}

.schools .current {
    background: #00abe9;
    color: #fff;
}

.schools .current strong,
.schools .current b {

    color: #fff;
}

.schools .current img {
    filter: brightness(0) invert(1);
}

.new {
    position: absolute;
    background: var(--yellow);
    color: #176abd;
    font-size: 22px;
    font-weight: 800;
    border-radius: 20px;
    right: -7px;
    top: 3px;
    padding: 2px 10px;
    transform: rotate(-10deg);
}

/* ------------------------------
お悩み・不安の紹介
--------------------------------*/
.blue-area {
    background: var(--pale);
    padding-bottom: 60px;
}

.worries {
    padding-top: 49px;
}

.worries-heading {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 151px;
}

.worries-heading>img {
    position: absolute;
    left: 60px;
    top: 12px;
    width: 121px;
    filter: brightness(0) saturate(100%) invert(39%) sepia(100%) saturate(3439%) hue-rotate(191deg);
}

.worries h2 {
    font-size: 51px;
    font-weight: 900;
    line-height: 1.18;
    letter-spacing: -.035em;
    margin-left: 50px;
}

.worries h2 span {
    font-size: 1.3em;
}

.worries-intro {
    text-align: center;
    font-size: 28px;
    font-weight: 700;
    margin: 39px 0 28px;
    letter-spacing: -.055em;
}

.worry-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 4px;
}

.worry-card {
    background: white;
    border-radius: 5px;
    min-width: 0;
    height: 363px;
    padding: 16px 18px 0;
    overflow: hidden;
}

.worry-copy {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    min-height: 140px;
}

.circle {
    display: flex;
    width: 105px;
    height: 105px;
    border-radius: 50%;
    background: var(--yellow);
    align-items: center;
    justify-content: center;
    flex: none;
}

.circle img {
    max-height: 52px;
    max-width: 68px;
}

.cyan {
    background: var(--cyan) !important;
}

.worry-copy h3 {
    font-size: 24px;
    line-height: 1.21;
    letter-spacing: -.06em;
    padding-top: 11px;
    font-weight: 800;
}

.question {
    font-size: 63px;
    line-height: 1;
    color: #615c08;
    font-weight: 800;
}

.teacher-frame {
    height: 207px;
    overflow: hidden;
    text-align: center;
}

.teacher {
    object-fit: contain;
    object-position: center top;
}

.teacher-one {
    width: 212px;
}

.teacher-two {
    width: 376px;
    max-width: 100%;
    margin-top: -1px;
}

.teacher-three {
    width: 256px;
    margin-top: 2px;
}

/* ------------------------------
資料・関連教材のご案内
--------------------------------*/
.guide {
    padding-top: 34px;
}

.image-placeholder {
    width: 811px;
    max-width: 100%;
    height: 196px;

    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 26px;
    font-size: 58px;
    margin-left: -21px;
}

.guide h2 {
    color: #0066e9;

    font-size: 36px;
    font-weight: 900;
    line-height: 1.28;
    letter-spacing: -.035em;
    text-align: center;

    margin-top: 44px;

    margin-bottom: 32px;
}

.guide h2 mark {
    background: transparent;
    border-bottom: 6px solid var(--yellow);
    font-weight: 900;

}


.guide-note {
    font-size: 16px;
    color: #41629a;

    margin: 24px 0 0;

    font-weight: 700;
    text-align: right;
}

.section-nav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24%;
    width: 100%;
    margin: auto;
    padding: 0 13%;
    border: 0;
    border-radius: 0;
    overflow: visible;
    background: transparent;
}

.section-nav a {
    padding: 15px 8px;
    color: #0074fa;
    text-align: center;
    font-size: 24px;
    font-weight: 800;
    text-decoration: none;
    line-height: 1.3;
}

.section-nav .selected {
    background: #0062e9;
    color: #fff;
}

.section-nav a:hover {
    background: #0353c8;
    color: white;
}

.series-label {
    text-align: center;

    font-size: 45px;
    font-weight: 900;
    margin-top: 36px;

    margin-bottom: 36px;
    line-height: 1.25;
}

/* ------------------------------
無料解説資料の紹介
--------------------------------*/
.resources {
    scroll-margin-top: 24px;
}

.resource-main {
    position: relative;
    background: white;
    display: grid;

    grid-template-columns: 34% 1fr;

    gap: 36px;

    padding: 24px 26px 10px 58px;
    border-radius: 5px;
    min-height: 479px;
    align-items: center;
}

.book-placeholder {
    width: 306px;
    max-width: 100%;
    aspect-ratio: 447 / 569;

    margin: 20px auto;
}

.resource-info {
    position: relative;
    z-index: 1;
}

.year-badge {
    display: table;
    background: #fff000;
    color: #10499f;
    font-size: 24px;
    letter-spacing: -.05em;
    border-radius: 40px;
    padding: 3px 35px;
    line-height: 1.5;
    margin-bottom: 26px;
}

.resource-info h2 {
    font-size: 47px;
    line-height: 1.12;
    letter-spacing: -.035em;
    font-weight: 900;
    margin-bottom: 23px;
    max-width: 430px;
}

.book-meta {
    font-size: 20px;
    line-height: 1.5;
    margin-bottom: 20px;
}

.resource-message {
    font-size: 26px;
    margin-bottom: 5px;
    margin: 0;
    display: block;
}

.book-callout {
    position: absolute;
    right: 62px;
    top: 36px;
    width: 220px;
    height: 253px;
}

.book-circle {
    position: absolute;
    inset: 0;
    width: 100%;
}

.book-note {
    position: absolute;
    width: 85%;
    left: 14%;
    top: 14%;
    mix-blend-mode: multiply;
}

.download-row {
    display: block;
    gap: 25px;
    align-items: flex-end;
    flex-wrap: wrap;
}

.download-row .download :where(.download-button) {
    text-align: left;
}

.download-row small {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 4px;
    margin-left: auto;
    display: block;
    text-align: right;
    margin-top: 10px;
}

.pending {
    min-width: 0;
}

.pending :where(.download-button, .form-link) {
    list-style: none;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    background: #0083f7;
    color: white;
    border-radius: 60px;
    font-size: 24px;
    font-weight: 700;
    padding: 21px 22px;
    line-height: 1.25;
    text-align: center;
}

.pending :where(.download-button, .form-link)>span {
    font-size: 45px;
    font-weight: 400;
    line-height: .8;
    margin-left: 10px;

    height: 45px;

}

.pending :where(.download-button, .form-link):hover {
    background: #005ace;
}



.pending>p {
    color: var(--navy);
    background: #eff7ff;
    font-size: 16px;
    padding: 12px;
    margin-top: 10px;
    border-radius: 5px;
}

.download :where(.download-button) {
    border-radius: 7px;
    background: #0055d9;

    font-size: 28px;

    padding: 8px 22px;
    display: block;
    max-width: 626px;
}

.download-label {
    display: flex;
    align-items: center;
    gap: 10px;
}

.download-label img {
    width: 50px;
}

.download .resource-message {
    height: auto;
    margin: 0;
    font-size: 26px;
    line-height: 1.3;
}

.download .download-label {
    height: auto;
    margin: 0;
    font-size: 26px;
    font-weight: 700;
    line-height: 1.3;
}


.download :where(.download-button)>img {
    width: 50px;
}

/* ------------------------------
無料解説資料のポイント
--------------------------------*/
.point-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 5px;
    margin-top: 9px;
}

.point-card {
    background: white;
    border-radius: 4px;
    padding: 17px 16px 20px;
    min-width: 0;
}

.point-heading {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.point-description {
    display: flex;
    align-items: center;
    gap: 0;
    margin-bottom: 15px;
}

.point-heading h3,
.point-description p {
    flex: 1;
    min-width: 0;
}

.point-heading .point-number {
    flex-shrink: 0;
}

.point-copy {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 5px;
    min-height: 190px;
    align-items: stretch;
}

.point-symbol {
    width: 105px;
    flex: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.point-number {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: var(--yellow);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    font-weight: 900;
    line-height: 1;
}

.point-badge-image {
    display: block;
    object-fit: contain;
    flex-shrink: 0;
    padding: 0;
    background: transparent;
}

.point-number strong {
    font-size: 57px;
    letter-spacing: -.06em;
}

.point-symbol>img {
    height: 60px;
    width: 76px;
    object-fit: contain;
}

.point-copy h3 {
    font-size: 23px;
    line-height: 1.24;
    letter-spacing: -.05em;
    min-height: 0;
    display: flex;
    align-items: center;
    font-weight: 900;
}

.point-copy p {
    font-size: 21px;
    line-height: 1.37;
    letter-spacing: -.04em;
}

.point-copy p span {
    font-family: "新ゴ B";
}

.sample-link {
    min-width: 0;
    display: block;
    text-decoration: none;
    margin-top: 0;
}


.sample-link>img {
    display: block;
    width: 100%;
    height: auto;
}

.sample-link span {
    display: block;
    text-align: right;
    font-size: 16px;
    font-weight: 600;
    margin-top: 10px;
}

.sample-link:hover img {
    opacity: .8;
}

/* ------------------------------
公開（発送）スケジュール
--------------------------------*/
.publication {
    background: white;
    padding: 47px 0 66px;
}

.publication-heading {
    display: flex;
    align-items: end;
    justify-content: center;
    gap: 15px;
    margin-bottom: 22px;
}

.publication h2 {
    font-size: 46px;
    line-height: 1.3;
    font-weight: 900;
    white-space: nowrap;
    letter-spacing: -.035em;
    display: flex;
    align-items: center;
    gap: 23px;
}

.publication h2 img {
    width: 60px;
    filter: brightness(0) saturate(100%) invert(36%) sepia(100%) saturate(2287%) hue-rotate(197deg);
}

.publication-heading>p {
    font-size: 20px;
    font-weight: 600;
    letter-spacing: -.065em;
}

.timeline {
    list-style: none;
    margin: 0;
    padding: 0 30px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 72px;
}

.timeline>li {
    position: relative;
    min-width: 0;
    border-radius: 12px;
    box-shadow: 0 3px 7px #bcd5e655;
}

.timeline h3 {
    background: var(--yellow);
    border-radius: 12px 12px 0 0;
    text-align: center;
    font-size: 25px;
    font-weight: 900;
    padding: 4px;
}

.timeline>li:nth-child(2) h3 {
    background: var(--cyan);
}

.timeline>li:nth-child(3) h3 {
    background: #0069fa;
    color: white;
}

.timeline-body {
    padding: 15px 39px 35px;
}

.date {
    display: flex;
    gap: 20px;
    justify-content: center;
    align-items: center;
    white-space: nowrap;
    font-size: 21px;
    color: #315df1;
    font-weight: 800;
}

.date img {
    width: 32px;
    filter: brightness(0) saturate(100%) invert(35%) sepia(94%) saturate(2900%) hue-rotate(213deg);
}

.grade {
    text-align: center;
    font-size: 20px;
    font-weight: 800;
    margin: 7px 0 13px;
}

.grade mark {
    border-radius: 12px;
    padding: 1px 6px;
}

.timeline-copy {
    font-size: 20px;
    line-height: 1.5;
    letter-spacing: -.065em;
}

.timeline>li:first-child ::after {
    content: "";
    position: absolute;
    top: 45px;
    left: -69px;
    width: 70px;
    height: 65px;
    background: #0087fa;
    clip-path: polygon(0 25%, 100% 25%, 100% 75%, 0 75%);
}

.timeline>li:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 45px;
    right: -69px;
    width: 70px;
    height: 65px;
    background: #0087fa;
    clip-path: polygon(0 25%, 100% 25%, 100% 75%, 0 75%);
}

.timeline>li:nth-last-child(2)::after {
    content: "";
    position: absolute;
    top: 45px;
    right: -69px;
    width: 70px;
    height: 65px;
    background: #0087fa;
    clip-path: polygon(0 25%, 60% 25%, 60% 0, 100% 50%, 60% 100%, 60% 75%, 0 75%);
}

/* ------------------------------
資料のご請求・お問い合わせ
--------------------------------*/
.contact {
    background: var(--yellow);
    padding: 50px 0 36px;
    color: #067cee;
}

.contact h2 {
    text-align: center;
    font-size: 45px;
    font-weight: 900;
    letter-spacing: -.04em;
    margin-bottom: 56px;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 4px;
}

.contact-card {
    background: white;
    padding: 26px 34px 10px;
    border-radius: 4px;
    scroll-margin-top: 30px;
}

.contact-card h3 {
    display: flex;
    align-items: center;
    gap: 24px;
    font-size: 23px;
    color: #067cee;
    line-height: 1.3;
    font-weight: 700;
    min-height: 60px;
    margin-bottom: 22px;
    letter-spacing: -.06em;
    white-space: nowrap;
}

.contact-card h3 img {
    width: 45px;
    max-height: 53px;
    object-fit: contain;
    flex: none;
}

.blue-icon {
    filter: brightness(0) saturate(100%) invert(37%) sepia(100%) saturate(2301%) hue-rotate(186deg);
}

.contact-card:first-child :where(.download-button) {
    background: #0757df;
}

.contact-note {
    text-align: left;
    font-size: 18px;
    margin-top: 5px;
    text-indent: -1em;
    padding-left: 1em;
    font-weight: 700;
    line-height: 1.3;
}

/* ------------------------------
フッター・書店へのご案内
--------------------------------*/
.order {
    background: #006cfa;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 21px;
    padding: 31px 20px;
    min-height: 135px;
}

.order>img {
    filter: brightness(0) invert(1);
    width: 60px;
}

.order p {
    font-size: 28px;
    line-height: 1.3;
}

.order small {
    font-size: 18px;
    line-height: 1.4;
    display: block;
}

.copyright {
    font-size: 16px;
    text-align: center;
    color: #4779ea;
    padding: 20px;
    font-weight: 500;
}

/* ------------------------------
紙面画像の拡大表示
--------------------------------*/
.lity {
    background: rgba(0, 0, 0, 0.8);
    overscroll-behavior: contain;
}

.lity .lity-close {
    position: fixed;
    top: max(12px, env(safe-area-inset-top));
    right: max(12px, env(safe-area-inset-right));
    width: 44px;
    height: 44px;
    padding: 0;
    border: 0;
    background: transparent;
    color: #fff;
    font-size: 35px;
    line-height: 44px;
    box-shadow: none;
}

.lity .lity-close:focus-visible {
    outline: 3px solid #0083f7;
    outline-offset: 3px;
}

html.lity-active,
html.lity-active body {
    overflow: hidden;
}













.close {
    display: block;
    text-align: right;
    font-weight: 700;
    color: #0057c8;
    padding: 8px;
}





/* ------------------------------
資料・関連教材のタブ切り替え
--------------------------------*/
main>.blue-area {
    padding-bottom: 0;
}

.resource-tabs {
    position: relative;
    background: var(--pale);
    scroll-margin-top: 24px;
}

.tab-radio {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    opacity: 0;
    overflow: hidden;
}

.tab-bar {
    width: calc(100% - 100px);
    max-width: 1270px;
    margin-inline: auto;
    padding: 0;
    border-bottom: 2px solid #3974ff;
}



.section-nav label {
    gap: .35em;
    position: relative;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 78px;
    margin-bottom: -2px;
    padding: 18px 12px;
    border: 2px solid #3974ff;
    border-radius: 8px 8px 0 0;

    background: #0062e9;
    font-size: 26px;
    font-weight: 900;
    line-height: 1.4;

    color: #fff;
    text-align: center;
}

.section-nav label:hover {
    background: #254bc1;
    color: #fff;
}

#tab-free:checked~.tab-bar label[for="tab-free"],
#tab-materials:checked~.tab-bar label[for="tab-materials"] {
    background: var(--pale);

    border-bottom-color: var(--pale);

    color: #0062e9;
}

#tab-free:focus-visible~.tab-bar label[for="tab-free"],
#tab-materials:focus-visible~.tab-bar label[for="tab-materials"] {
    outline: 3px solid #ee5900;
    outline-offset: -6px;
}

.tab-panel {
    display: none;
}

#tab-free:checked~#panel-free,
#tab-materials:checked~#panel-materials {
    display: block;
}

.panel-body {
    padding-top: 56px;
}

.panel-body .series-label {
    margin-top: 0;
}

.materials-panel {
    padding: 60px 0 80px;
}

.materials-placeholder {
    background: #fff;
    text-align: center;
    padding: 90px 24px;
    border-radius: 5px;
}

.materials-placeholder h2 {
    font-size: 34px;
    margin-bottom: 20px;
}

.materials-placeholder p {
    font-size: 22px;
}


main>.blue-area {
    display: flow-root;
}

/* ------------------------------
関連教材・見出し
--------------------------------*/
#panel-materials {
    padding: 40px 0 50px;
}

.materials-heading {
    font-size: 46px;
    line-height: 1.35;
    font-weight: 900;
    text-align: center;
    letter-spacing: -.035em;
    margin-bottom: 50px;
}

/* ------------------------------
関連教材・おすすめの先生方
--------------------------------*/
.materials-recommendation {}

.materials-teacher {
    position: relative;
    left: 8%;
    width: 110px;

    height: 195px;
    object-fit: contain;
    display: block;
    margin: 0 auto;
    margin-top: -50px;
    transform: scaleX(-1);
}

.materials-bubble {
    position: relative;

    padding: 28px 18px;

    margin-bottom: 65px;

    border: 6px solid #ffcf00;

    border-radius: 18px;
    background: #fff;
}

.materials-bubble::before {
    content: "";
    position: absolute;
    left: 38%;
    top: auto;
    bottom: -46px;
    width: 56px;
    height: 46px;
    background: #ffcf00;
    clip-path: polygon(0 0, 65% 0, 100% 100%);
}

.materials-bubble h3 {
    font-size: 32px;
    margin: 0 0 14px;

    line-height: 1.15;
    margin-bottom: 22px;
}

.materials-bubble p {
    font-size: 18px;
    line-height: 1.2;
    font-weight: bold;
}

.materials-bubble small {
    display: block;
    font-size: 17px;
    margin-top: 8px;
    line-height: 1.45;
}

/* ------------------------------
関連教材・メイン教材の紹介
--------------------------------*/
.material-featured {
    display: grid;

    grid-template-columns: 288px minmax(0, 1fr) 375px;

    gap: 28px;
    align-items: start;

    background: #fff;
    border-radius: 5px;

    padding: 32px 34px 0 50px;

    min-height: 477px;
}

.material-featured>img {
    width: 288px;
    height: 370px;
    object-fit: contain;
    margin-top: 26px;
}

.material-featured-info {
    padding-top: 30px;
}

.material-featured .material-actions {
    grid-template-columns: minmax(0, 300px);
    margin-top: 42px;
}

.material-cover-placeholder {
    width: 288px;
    max-width: 100%;
    aspect-ratio: 288/370;
    background: #999;
    margin-top: 30px;
}

.material-featured h3 {
    font-size: 42px;
    font-weight: 900;
    line-height: 1.25;
    margin-top: 0;

    margin-bottom: 26px;
}

.material-featured h3 span {
    display: block;
    font-size: 28px;
    letter-spacing: -.035em;
}

.material-meta {
    font-size: 21px;
    line-height: 1.5;
    font-weight: 600;
}

.materials-bubble h3 {
    font-size: 30px;
    margin-left: 20px;
}

/* ------------------------------
関連教材・試し読み／見本請求ボタン
--------------------------------*/
.material-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;

    gap: 12px;
    align-items: start;
    margin-top: 26px;
}

.material-action {
    min-width: 0;
}

.material-action :where(.download-button),
a.material-action {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    border: 3px solid #216aff;
    border-radius: 9px;
    min-height: 63px;
    padding: 12px 15px;
    background: #0755d9;
    color: #fff;
    font-size: 24px;
    font-weight: 700;
    line-height: 1.35;
    text-decoration: none;
    cursor: pointer;
    list-style: none;
}

a.material-action:not(.material-request) img {
    filter: brightness(0) invert(1);
}

a.material-action:not(.material-request):hover {
    background: #0345b7;
}

.material-action :where(.download-button) img,
a.material-action img {
    width: 42px;
    height: 36px;
    object-fit: contain;
    flex: none;
}

.material-action :where(.download-button) img {
    filter: brightness(0) invert(1);
    margin-right: 10px;
}

a.material-request {
    color: #216aff;
    background: #fff;
}

a.material-request img {
    filter: brightness(0) saturate(100%) invert(36%) sepia(100%) saturate(2550%) hue-rotate(209deg);
}

.material-action :where(.download-button):hover {
    background: #0345b7;
}

a.material-request:hover {
    background: #eef4ff;
}

.material-action>p {
    padding: 12px;
    margin-top: 8px;
    background: #eef5ff;
    border-radius: 5px;
    font-size: 16px;
}

.material-download-note {
    font-size: 17px;
    margin-top: 21px;
}

/* ------------------------------
関連教材・3つのポイント
--------------------------------*/
.materials-points {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 5px;
    margin-top: 5px;
}

.materials-point {
    padding: 16px 19px 17px;
    border-radius: 4px;
    background: #fff;
    min-width: 0;
}

.materials-point-heading {
    display: flex;
    align-items: center;

    gap: 12px;
    margin-bottom: 15px;

    min-height: 100px;
}

.materials-point-heading h3 {
    font-size: 24px;
    line-height: 1.35;
    letter-spacing: -.045em;
}

.materials-point-badge {
    flex: none;
    width: 105px;
    height: 105px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: #ffff19;
    font-size: 20px;
    font-weight: 800;
    line-height: 1;
}

.materials-point-badge strong {
    font-size: 56px;
}

.materials-point-badge.is-cyan {
    background: #40deed;
}

.material-preview-link {
    display: block;
    text-decoration: none;
}

.material-preview-link img {
    display: block;

    width: 285px;
    max-width: 100%;
    margin-inline: auto;
}

.material-preview-link span {
    display: block;
    text-align: right;
    font-size: 16px;
    margin-top: 10px;
}

.material-preview-placeholder img {
    display: block;
    width: 285px;
    height: 202px;
    object-fit: fill;
    margin-inline: auto;
}

.material-preview-link:hover img {
    opacity: .8;
}

/* ------------------------------
関連教材・教材一覧
--------------------------------*/
.material-title-line {
    font-size: 0.9em;
    letter-spacing: -.055em;
    white-space: nowrap;
}

.material-cover {
    border: 1px solid #bbb;
}

.materials-catalog {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 25px 16px;
    margin-top: 23px;
}

.material-card {
    background: #fff;
    border-radius: 4px;

    padding: 25px 28px 30px;
    min-width: 0;
}

.material-card-top {
    display: grid;
    grid-template-columns: 200px minmax(0, 1fr);

    gap: 20px;
    min-height: 285px;
}

.material-cover {
    width: 200px;
    height: 282px;
    object-fit: contain;
    object-position: top;
}

.material-card h3 {
    font-size: 28px;
    line-height: 1.25;
    font-weight: 700;
    min-height: 112px;
    margin: 5px 0 25px;
    letter-spacing: -.05em;

}

.material-card:first-child h3,
.material-card:last-child h3 {
    font-weight: 500;
}

.material-card .material-meta {
    font-size: 20px;
    line-height: 1.65;
}

.material-card .material-actions {
    margin-top: 27px;
    gap: 10px;
}

.material-selling-point {
    display: flex;
    gap: 24px;
    align-items: center;
    margin-top: 23px;
}

.material-selling-point>span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 89px;
    height: 89px;
    flex: none;
    background: #ffff19;
    border-radius: 50%;
    font-size: 18px;
    font-weight: 900;
    transform: rotate(-18deg);
}

.material-selling-point p {
    font-size: 23px;
    line-height: 1.35;
    font-weight: 800;
    letter-spacing: -.04em;
}

/* ------------------------------
レスポンシブ設定
--------------------------------*/

/* ------------------------------
Webフォント・見出し
--------------------------------*/
.site-logo,
.lead,
.curriculum-schedule h2,
.schools strong,
.schools b,
.new,
.worries h2,
.worry-copy h3,
.guide h2,
.guide h2 mark,
.section-nav label,
.series-label,
.year-badge,
.resource-info h2,
.point-copy h3,
.point-number,
.point-number strong,
.publication-heading h2,
.timeline h3,
.timeline .date,
.timeline .grade,
.contact h2,
.materials-heading,
.material-featured h3,
.material-featured h3 span,
.material-card h3,
.material-meta,
.materials-bubble h3,
.materials-point-heading h3,
.materials-point-badge,
.materials-point-badge strong,
.material-selling-point>span,
.material-selling-point p {
    font-family: "新ゴ B", var(--font-base);
    font-weight: 400;
    font-synthesis: none;
}

/* ------------------------------
Webフォント・本文とボタン
--------------------------------*/
.site-tagline,
.corporate-link,
.pill,
.pill small,
.worries-intro,
.curriculum-note,
.guide-note,
.book-meta,
.resource-message,
.download .resource-message,
.download .download-label,
.download-row small,
.point-copy p,
.sample-link span,
.publication-heading p,
.timeline-copy,
.contact-card h3,
.pending :where(.download-button, .form-link),
.contact-note,
.order p,
.order small,
.copyright,
.materials-bubble p,
.material-action,
.material-preview-link span {
    font-family: "新ゴ R", var(--font-base);
    font-weight: 400;
    font-synthesis: none;
}

a.material-action,
.material-card .material-meta {
    font-weight: 400;
}

/* ------------------------------
タブレット・小さめのPC画面
--------------------------------*/
@media(min-width:768px) and (max-width:1365px) {
    .page {
        zoom: calc(100vw / 1366px);
        width: 1366px;
        max-width: none;
    }



}

/* ------------------------------
広いPC画面
--------------------------------*/
@media(min-width:1367px) {
    body {
        background: #f5fbfe;
    }

    .page {
        box-shadow: 0 0 40px #cde9f233;
    }

}

/* ------------------------------
スマホ表示
--------------------------------*/
@media(max-width:767px) {
    body {
        font-size: 16px;
    }

    .container {
        width: calc(100% - 32px);
    }

    .desktop-break {
        display: none;
    }

    .mv-visual {
        height: 760px;
    }

    .mv-copy {
        padding-top: 28px;
        margin-left: 20px;
        width: calc(100% - 40px);
    }

    .school-label {
        font-size: 25px;
        border-radius: 4px;
        padding: 1px 13px;
    }

    h1 {
        font-size: clamp(37px, 10.5vw, 67px);
        margin-top: 12px;
        letter-spacing: -.06em;
    }

    h1 small {
        font-size: clamp(18px, 4.55vw, 28px);
        margin-top: 8px;
    }

    .share-ribbon {
        width: 260px;
        margin-top: 20px;
    }


    .mv-subtitle {
        font-size: clamp(18px, 5.25vw, 30px);
        margin: 22px 0 0 3px;
        line-height: 1.35;
        transform: rotate(-5deg);
    }

    .mv-people {
        width: 640px;
        max-width: none;
        right: calc(50% - 285px);
        top: 350px;
    }

    .mv-note {
        width: 150px;
        left: auto;
        right: 15px;
        top: 338px;
    }

    .mv-sun {
        width: 39px;
        left: auto;
        right: 24px;
        top: 222px;
    }

    .mv::after {
        height: 140px;
        background-size: 1100px auto;
    }

    .mv-notice {
        bottom: 18px;
        min-height: 88px;
        width: calc(100% - 32px);
        flex-direction: column;
        gap: 2px;
        border-width: 4px;
        padding: 12px 8px;
        font-size: clamp(21px, 5.8vw, 29px);
    }

    .mv-nav {
        grid-template-columns: 1fr;
        gap: 10px;
        padding-bottom: 24px;
    }

    .pill {
        font-size: 17px;
        min-height: 62px;
        padding: 8px 25px;
        border-width: 3px;
        gap: 15px;
    }

    .pill>img {
        width: 36px;
        height: 34px;
    }

    .pill>span:not(.chevron) {
        flex: 1;
        text-align: center;
    }

    .pill .chevron {
        font-size: 30px;
    }

    .curriculum-inner {
        display: block;
        padding-block: 30px;
    }

    .lead {
        font-size: 20px;
        line-height: 1.5;
        letter-spacing: -.035em;
    }

    .curriculum-note {
        font-size: 14px;
        line-height: 1.6;
        margin-top: 20px;
    }

    .curriculum-schedule {
        margin-top: 30px;
    }

    .curriculum-schedule h2 {
        font-size: 14px;
        margin: 0 auto 22px;
        padding: 3px 12px;
    }

    .schools {
        gap: 23px;
    }

    .schools li {
        min-width: 0;
        max-width: 170px;
    }

    .schools li>img {
        height: 30px;
        width: 35px;
    }

    .schools strong {
        font-size: 15px;
        margin-top: 3px;
    }

    .schools b {
        font-size: 12px;
    }

    .schools small {
        font-size: 8px;
        letter-spacing: -.09em;
        white-space: nowrap;
    }

    .schools li+li::before {
        left: -22px;
        font-size: 24px;
        top: 35%;
    }

    .new {
        font-size: 13px;
        padding: 2px 6px;
        right: -4px;
        top: -5px;
    }

    .blue-area {
        padding-bottom: 35px;
    }

    .worries {
        padding-top: 32px;
    }

    .worries-heading {
        min-height: 90px;
        gap: 12px;
        align-items: center;
    }

    .worries-heading>img {
        position: static;
        width: 43px;
        flex: none;
    }

    .worries h2 {
        font-size: clamp(21px, 5.2vw, 33px);
        line-height: 1.4;
        margin-left: 0;
        letter-spacing: -.065em;
    }

    .worries-intro {
        font-size: 16px;
        line-height: 1.65;
        letter-spacing: -.02em;
        margin: 22px 0;
    }

    .worries-intro span {
        display: block;
    }

    .worry-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .worry-card {
        height: auto;
        min-height: 290px;
        padding: 20px 18px 0;
    }

    .worry-copy {
        min-height: 80px;
        gap: 15px;
        align-items: center;
    }

    .circle {
        width: 70px;
        height: 70px;
    }

    .circle img {
        max-height: 40px;
        max-width: 45px;
    }

    .question {
        font-size: 45px;
    }

    .worry-copy h3 {
        padding-top: 0;
        font-size: 19px;
        line-height: 1.5;
        letter-spacing: -.025em;
    }

    .teacher-frame {
        height: 195px;
        margin-top: 16px;
    }

    .teacher-one {
        width: 207px;
    }

    .teacher-two {
        width: 310px;
        max-width: 100%;
    }

    .teacher-three {
        width: 240px;
    }

    .guide {
        padding-top: 25px;
    }

    .image-placeholder {
        margin-left: 0;
        width: 100%;
        height: auto;
        aspect-ratio: 811/196;
        font-size: 30px;
        padding-top: 10px;
    }

    .guide h2 {
        font-size: clamp(23px, 5.6vw, 34px);
        line-height: 1.55;
        margin-top: 28px;
        letter-spacing: -.055em;
    }

    .guide-note {
        font-size: 12px;
        margin: 13px 0 28px;
    }

    .section-nav {
        border-radius: 0;
    }

    .section-nav a {
        font-size: 15px;
        padding: 13px 5px;
    }

    .series-label {
        font-size: 29px;
        margin: 28px 0 35px;
    }

    .resource-main {
        grid-template-columns: 1fr;
        padding: 25px 20px;
        gap: 25px;
        min-height: 0;
    }

    .book-placeholder {
        width: 170px;
        margin: 0 auto;
        grid-row: 2;
    }

    .resource-info {
        display: contents;
    }

    .year-badge {
        font-size: 17px;
        padding: 4px 18px;
        margin: 0 auto;
        grid-row: 1;
    }

    .resource-info h2 {
        font-size: 30px;
        line-height: 1.25;
        margin: 0;
        grid-row: 3;
        max-width: none;
    }

    .book-meta {
        font-size: 14px;
        line-height: 1.7;
        grid-row: 4;
    }

    .resource-message {
        font-size: 15px;
        line-height: 1.6;
        margin: 0;
        grid-row: 5;
    }

    .download-row {
        display: block;
        grid-row: 6;
    }

    .download-row small {
        display: block;
        font-size: 12px;
        line-height: 1.6;
        margin: 13px 0 0;
    }

    .download :where(.download-button) {
        font-size: 22px;
        padding: 10px 15px;
    }

    .download :where(.download-button)>img {
        width: 36px;
    }

    .book-callout {
        right: 13px;
        top: 102px;
        width: 105px;
        height: 125px;
    }

    .point-grid {
        grid-template-columns: 1fr;
        gap: 14px;
        margin-top: 14px;
    }

    .point-card {
        padding: 20px 17px;
    }

    .point-copy {
        min-height: 155px;
        gap: 15px;
    }

    .point-symbol {
        width: 75px;
        gap: 15px;
    }

    .point-number {
        width: 75px;
        height: 75px;
        font-size: 15px;
    }

    .point-number strong {
        font-size: 43px;
    }

    .point-symbol>img {
        height: 43px;
        width: 54px;
    }

    .point-copy h3 {
        font-size: 19px;
        line-height: 1.45;
        min-height: 64px;
        letter-spacing: -.03em;
    }

    .point-copy p {
        font-size: 16px;
        line-height: 1.65;
        letter-spacing: 0;
    }

    .sample-link {
        margin-top: 14px;
    }

    .sample-link span {
        font-size: 12px;
    }

    .publication {
        padding: 32px 0 38px;
    }

    .publication-heading {
        display: block;
        margin-bottom: 23px;
    }

    .publication h2 {
        font-size: clamp(23px, 5.5vw, 34px);
        gap: 9px;
        white-space: normal;
        letter-spacing: -.055em;
    }

    .publication h2 img {
        width: 34px;
        flex: none;
    }

    .publication-heading>p {
        font-size: 12px;
        line-height: 1.6;
        margin-top: 14px;
    }

    .timeline {
        grid-template-columns: 1fr;
        gap: 34px;
        padding: 0 15px;
    }

    .timeline h3 {
        font-size: 21px;
        padding: 7px;
    }

    .timeline-body {
        padding: 16px 30px 20px;
    }

    .date {
        font-size: 18px;
        justify-content: center;
    }

    .date img {
        width: 27px;
    }

    .grade {
        font-size: 20px;
        margin: 12px 0;
    }

    .timeline-copy {
        font-size: 16px;
        text-align: center;
    }

    .timeline>li:not(:last-child)::after {
        top: auto;
        bottom: -35px;
        right: calc(50% - 15px);
        width: 30px;
        height: 35px;
        clip-path: polygon(25% 0, 75% 0, 75% 55%, 100% 55%, 50% 100%, 0 55%, 25% 55%);
    }

    .contact {
        padding: 32px 0 25px;
    }

    .contact h2 {
        font-size: 26px;
        line-height: 1.45;
        margin-bottom: 26px;
        letter-spacing: -.04em;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .contact-card {
        padding: 22px;
    }

    .contact-card h3 {
        min-height: 44px;
        font-size: 18px;
        letter-spacing: 0;
        gap: 16px;
        margin-bottom: 17px;
    }

    .contact-card h3 img {
        width: 34px;
        max-height: 40px;
    }

    .pending :where(.download-button, .form-link) {
        font-size: 18px;
        padding: 16px 12px;
    }

    .contact-note {
        font-size: 12px;
        line-height: 1.6;
        margin-top: 19px;
    }

    .order {
        padding: 25px 16px;
        gap: 12px;
        min-height: 0;
    }

    .order>img {
        width: 39px;
    }

    .order p {
        font-size: 19px;
    }

    .order small {
        font-size: 12px;
        margin-top: 5px;
    }

    .copyright {
        font-size: 11px;
        padding: 17px 10px;
    }







}

/* ------------------------------
小さめのスマホ表示
--------------------------------*/
@media(max-width:359px) {
    .mv-visual {
        height: 740px;
    }

    .mv-people {
        top: 335px;
    }

    .mv-note {
        top: 310px;
    }

    .worry-copy {
        gap: 10px;
    }

    .circle {
        width: 58px;
        height: 58px;
    }

    .worry-copy h3 {
        font-size: 17px;
    }

    .resource-main {
        padding: 22px 16px;
    }

    .resource-info h2 {
        font-size: 27px;
    }

    .schools {
        gap: 18px;
    }

    .schools strong {
        font-size: 13px;
    }

    .schools b {
        font-size: 11px;
    }

    .schools small {
        font-size: 7px;
    }

    .schools li+li::before {
        left: -18px;
        font-size: 21px;
    }

}

/* ------------------------------
アニメーションを控える設定
--------------------------------*/
@media(prefers-reduced-motion:reduce) {
    html {
        scroll-behavior: auto;
    }

}

/* ------------------------------
タブ切り替えエリア・スマホ表示
--------------------------------*/
@media(max-width:767px) {
    .section-nav {
        border-radius: 0;
    }

    .tab-bar {
        width: calc(100% - 32px);
    }

    .section-nav {
        gap: 6%;
        padding: 0 2%;
    }

    .section-nav label {
        flex-direction: column;
        gap: 0;
        min-height: 62px;
        padding: 12px 7px;
        font-size: clamp(14px, 3.8vw, 23px);
        border-radius: 6px 6px 0 0;
    }

    .panel-body {
        padding-top: 28px;
    }

    .materials-panel {
        padding: 28px 0 35px;
    }

    .materials-placeholder {
        padding: 55px 18px;
    }

    .materials-placeholder h2 {
        font-size: 24px;
    }

    .materials-placeholder p {
        font-size: 16px;
    }

}

/* ------------------------------
関連教材・スマホ表示
--------------------------------*/
@media(max-width:767px) {

    /* ------------------------------
    関連教材・見出し
    --------------------------------*/
    #panel-materials {
        padding: 30px 0 40px;
    }

    .materials-heading {
        font-size: clamp(22px, 5.3vw, 32px);
        line-height: 1.5;
    }

    .materials-heading br {
        display: none;
    }

    /* ------------------------------
    関連教材・おすすめの先生方
    --------------------------------*/
    .materials-recommendation {
        gap: 14px;
        margin-top: 28px;
        min-height: 0;
        padding-bottom: 24px;
    }

    .materials-teacher {
        width: 64px;
        height: auto;
        flex: none;
    }

    .materials-bubble {
        width: auto;
        flex: 1;
        padding: 20px 14px;
        border-width: 5px;
        border-radius: 22px;
        margin-bottom: 20px;
    }



    .materials-bubble h3 {
        font-size: 18px;
        margin-bottom: 12px;
    }

    .materials-bubble p {
        font-size: 14px;
        line-height: 1.6;
    }

    .materials-bubble small {
        font-size: 12px;
        line-height: 1.6;
    }

    /* ------------------------------
    関連教材・メイン教材の紹介
    --------------------------------*/
    .material-featured {
        grid-template-columns: 1fr;
        gap: 26px;
        padding: 25px 20px;
        min-height: 0;
    }

    .material-cover-placeholder {
        width: 170px;
    }

    .material-featured h3 {
        font-size: 32px;
        margin-bottom: 20px;
    }

    .material-featured h3 span {
        font-size: 22px;
    }

    .material-meta {
        font-size: 16px;
        line-height: 1.65;
    }

    /* ------------------------------
    関連教材・試し読み／見本請求ボタン
    --------------------------------*/
    .material-actions {
        gap: 8px;
        margin-top: 22px;
    }

    .material-action :where(.download-button),
    a.material-action {
        min-height: 52px;
        font-size: 16px;
        gap: 8px;
        padding: 10px 6px;
        border-width: 2px;
    }

    .material-action :where(.download-button) img,
    a.material-action img {
        width: 27px;
        height: 24px;
    }

    .material-download-note {
        font-size: 12px;
        line-height: 1.6;
        margin-top: 16px;
    }

    /* ------------------------------
    関連教材・3つのポイント
    --------------------------------*/
    .materials-points {
        grid-template-columns: 1fr;
        gap: 12px;
        margin-top: 12px;
    }

    .materials-point {
        padding: 18px 16px;
    }

    .materials-point-heading {
        min-height: 75px;
        gap: 14px;
    }

    .materials-point-badge {
        width: 75px;
        height: 75px;
        font-size: 15px;
    }

    .materials-point-badge strong {
        font-size: 43px;
    }

    .materials-point-heading h3 {
        font-size: 19px;
        line-height: 1.5;
    }

    .material-preview-link span {
        font-size: 12px;
    }

    /* ------------------------------
    関連教材・教材一覧
    --------------------------------*/
    .materials-catalog {
        grid-template-columns: 1fr;
        gap: 15px;
        margin-top: 22px;
    }

    .material-card {
        padding: 22px 16px;
    }

    .material-card-top {
        grid-template-columns: 35% minmax(0, 1fr);
        gap: 17px;
        min-height: 0;
    }

    .material-cover {
        width: 100%;
        height: auto;
        max-height: 255px;
    }

    .material-card h3 {
        font-size: 20px;
        min-height: 0;
        line-height: 1.4;
        margin: 0 0 18px;
    }

    .material-card .material-meta {
        font-size: 14px;
        line-height: 1.7;
        overflow-wrap: anywhere;
    }

    .material-card .material-actions {
        margin-top: 22px;
    }

    .material-selling-point {
        gap: 14px;
        margin-top: 20px;
    }

    .material-selling-point>span {
        width: 61px;
        height: 61px;
        font-size: 13px;
    }

    .material-selling-point p {
        font-size: 16px;
        line-height: 1.6;
        letter-spacing: -.02em;
    }

}

/* ------------------------------
レスポンシブ・ヘッダー
--------------------------------*/
@media (max-width: 767px) {
    .site-header-inner {
        padding: 12px 16px;
        flex-wrap: wrap;
        gap: 10px;
    }

    .site-brand {
        gap: 12px;
    }

    .site-logo {
        font-size: 28px;
    }

    .site-tagline {
        font-size: 11px;
    }

    .corporate-link {
        margin-left: auto;
        font-size: 12px;
    }
}

/* ------------------------------
レスポンシブ・資料と関連教材
--------------------------------*/
@media (max-width: 767px) {
    .mv-visual {
        height: auto;
        padding-bottom: 20px;
    }

    .mv-copy {
        padding-top: 12px;
        margin-left: 12px;
        width: min(90%, 520px);
    }

    .mv-copy h1 {
        margin-top: 0;
    }

    .mv-people {
        position: relative;
        top: auto;
        right: auto;
        width: 100%;
        margin-top: -12px;
    }

    .mv-nav {
        position: relative;
        bottom: auto;
        left: auto;
        transform: none;
        padding-top: 8px;
        padding-bottom: 0;
    }

    .guide-note {
        font-size: 11px;
        margin: 18px 0 0;
    }

    .guide h2 {
        margin-top: 24px;
        font-size: 23px;
        line-height: 1.7;
    }

    .series-label {
        font-size: 24px;
        margin-bottom: 24px;
        padding-inline: 16px;
    }

    .panel-body {
        padding-top: 30px;
    }

    .resource-main {
        padding: 24px 20px;
    }

    .download :where(.download-button) {
        padding: 12px;
    }

    .download .resource-message {
        font-size: 15px;
    }

    .download .download-label {
        font-size: 20px;
        margin-top: 5px;
    }

    .download-label img {
        width: 34px;
        height: auto;
    }

    #panel-materials {
        padding: 30px 0 40px;
    }

    .materials-heading {
        font-size: 25px;
        margin-bottom: 25px;
    }

    .material-featured {
        grid-template-columns: minmax(0, 1fr);
        padding: 24px 20px;
        gap: 24px;
    }

    .material-featured>img {
        width: 210px;
        height: auto;
        margin: 0 auto;
    }

    .material-featured-info {
        padding-top: 0;
    }

    .material-featured h3 {
        font-size: 29px;
    }

    .material-featured h3 span {
        font-size: 19px;
    }

    .material-featured .material-actions {
        grid-template-columns: 1fr;
        margin-top: 22px;
    }

    .materials-recommendation {
        display: block;
    }

    .materials-bubble {
        width: 100%;
        padding: 20px 16px;
        margin: 0 0 65px;
    }

    .materials-bubble h3 {
        font-size: 23px;
    }

    .materials-bubble p {
        font-size: 15px;
        line-height: 1.5;
    }

    .materials-teacher {
        width: 100px;
        height: 175px;
    }

    .material-preview-placeholder img {
        height: auto;
    }

    .material-card {
        padding: 22px 16px;
    }

    .material-card-top {
        gap: 17px;
    }

    a.material-action {
        gap: 8px;
        font-size: 17px;
        padding: 10px 6px;
    }

    a.material-action img {
        width: 30px;
    }
}

@media (max-width: 767px) {
    .section-nav label {
        background: #0062e9;
        color: #fff;
    }

    #tab-free:checked~.tab-bar label[for="tab-free"],
    #tab-materials:checked~.tab-bar label[for="tab-materials"] {
        background: var(--pale);
        border-bottom-color: var(--pale);
        color: #0062e9;
    }

    .material-title-line {
        font-size: inherit;
        letter-spacing: inherit;
        white-space: normal;
    }
}

/* ------------------------------
レスポンシブ・教材カードとお問い合わせ
--------------------------------*/
@media (max-width: 767px) {
    .contact-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .contact-card {
        min-width: 0;
    }

    .contact-card h3 {
        overflow-wrap: anywhere;
        white-space: normal;
    }

    .contact-card .pending :where(.download-button, .form-link) {
        gap: 6px;
    }

    .contact-card .pending :where(.download-button, .form-link)>span {
        flex-shrink: 0;
        margin-left: 0;
    }

    .materials-bubble::before {
        bottom: -38px;
        width: 48px;
        height: 38px;
    }

    .material-card h3 {
        font-size: 18px;
        overflow-wrap: normal;
    }

    .material-selling-point p {
        font-size: 15px;
    }
}

@media (max-width: 359px) {
    .material-card-top {
        grid-template-columns: minmax(0, 1fr);
    }

    .material-cover {
        width: 150px;
        margin-inline: auto;
    }

    .material-card h3 {
        font-size: 20px;
    }

    .contact-card {
        padding: 20px 14px;
    }

    .contact-card .pending :where(.download-button, .form-link) {
        font-size: 16px;
    }
}

/* ------------------------------
レスポンシブ・メインビジュアルのボタン
--------------------------------*/
@media (max-width: 767px) {

    .pill,
    .pill:first-child,
    .pill:nth-child(3) {
        padding: 10px 24px;
        gap: 14px;
    }

    .pill>img,
    .pill:nth-child(2)>img,
    .pill:nth-child(3)>img {
        width: 36px;
        height: 34px;
        object-fit: contain;
    }

    .pill>span:not(.chevron) {
        flex: 1;
        text-align: left;
    }

    .pill small {
        font-size: 14px;
    }

    .pill .chevron {
        flex-basis: 10px;
        width: 10px;
        height: 10px;
        border-width: 3px;
        font-size: 0;
    }
}

/* ------------------------------
レスポンシブ・MVのサポートパッケージ
--------------------------------*/
@media (max-width: 767px) {
    .mv-scene {
        display: block;
        position: relative;
    }

    .mv-copy {
        position: static;
        width: auto;
        margin: 0;
        padding-top: 12px;
    }

    .mv-copy h1 {
        width: min(90%, 520px);
        margin: 10px;
    }

    .mv-people {
        display: block;
        margin: 0;
    }

    .mv-package {
        position: absolute;
        left: 0;
        bottom: -20px;
        z-index: 2;
        width: 72%;
        max-width: 450px;
        height: auto;
        margin: 0;
    }
}

/* ------------------------------
レスポンシブ・無料資料のポイント
--------------------------------*/
@media (max-width: 767px) {

    .point-heading,
    .point-description {
        gap: 15px;
    }

    .point-copy h3 {
        min-height: 0;
    }
}
/* ------------------------------
PC表示・無料資料の紙面画像
--------------------------------*/
@media (min-width: 768px) {
    .point-card {
        display: flex;
        flex-direction: column;
    }
    .point-copy {
        flex: 1 0 auto;
        min-height: 0;
        gap: 10px;
    }
    .point-heading,
    .point-description {
        margin-bottom: 0;
    }
    .point-card .sample-link {
        display: block;
        flex: 0 0 auto;
        margin-top: 6px;
    }
    .point-card .sample-link > img {
        display: block;
        width: 90%;
        height: 220px;
        margin-inline: auto;
        object-fit: contain;
        object-position: center;
    }
    .point-card:nth-child(3) .sample-link > img { width: 96%; }
    .point-card .sample-link > span { margin-top: 10px; }
}