/* ==========================================================================
   リセット・基本設定
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-primary: #5576a4;
    --color-heading: #1B4106;
    --color-header: #8d58bb;
    --color-background: #f5f6f1;
    --color-white: #ffffff;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-border: #d0d0d0;
    --color-error: #e74c3c;
    --color-success: #27ae60;
    --font-primary: 'Montserrat', sans-serif;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
    scrollbar-gutter: stable;
}

body {
    font-family: var(--font-primary);
    color: var(--color-text);
    line-height: 1.6;
    background-color: var(--color-white);
    overflow-y: scroll;
}

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

a {
    text-decoration: none;
    color: inherit;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

/* ==========================================================================
   コンテナ
   ========================================================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ==========================================================================
   ヘッダー
   ========================================================================== */
.header {
    background-color: var(--color-header);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-white);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 30px;
    height: 25px;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--color-white);
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.nav-list {
    display: flex;
    gap: 40px;
    list-style: none;
}

.nav-link {
    font-weight: 500;
    color: var(--color-white);
    transition: var(--transition);
    position: relative;
    text-decoration: none;
}

.nav-subitem {
    display: inline-block;
    margin-left: 8px;
}

.nav-link--sub {
    font-size: 0.95em;
    padding: 6px 10px;
    border-radius: 8px;
    background: rgba(255,255,255,0.04);
}

.nav-link::after {
    content: none;
}

.nav-link:hover,
.nav-link:focus-visible {
    text-decoration: underline;
    text-decoration-color: #fff !important;
    text-decoration-thickness: 2px;
    text-underline-offset: 5px;
}

/* ==========================================================================
   ヒーローセクション
   ========================================================================== */
.hero {
    background: none;
    padding: 120px 0;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    color: var(--color-heading);
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-break-mobile {
    display: none;
}

.hero-description {
    font-size: 18px;
    color: var(--color-text-light);
    margin-bottom: 40px;
}

.cta-button {
    display: inline-block;
    padding: 15px 40px;
    background-color: var(--color-header);
    color: var(--color-white);
    font-weight: 600;
    border-radius: 50px;
    transition: var(--transition);
}

.cta-button:hover {
    filter: brightness(0.92);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

/* ==========================================================================
   セクション共通
   ========================================================================== */
.section {
    padding: 80px 0;
    background-color: var(--color-background);
    scroll-margin-top: 96px;
}

.section:nth-child(even) {
    background-color: var(--color-background);
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--color-heading);
    text-align: center;
    margin-bottom: 60px;
}

.news-section .section-title {
    margin-bottom: 32px;
}

.news-list {
    display: grid;
    gap: 16px;
    max-width: 760px;
    margin: 0 auto;
}

.news-item {
    background: var(--color-white);
    border-radius: 12px;
    padding: 18px 22px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

.news-date {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-header);
    margin-bottom: 8px;
}

.news-text {
    margin: 0;
    color: var(--color-text);
    line-height: 1.7;
}

.content-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--color-heading);
    margin-bottom: 20px;
}

.section--coming-soon {
    position: relative;
    overflow: hidden;
}

.section--coming-soon .coming-soon-content {
    opacity: 0.6;
}

.section--coming-soon .coming-soon-overlay {
    position: absolute;
    inset: 0;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-heading);
    background: rgba(255, 255, 255, 0.7);
    text-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
    pointer-events: none;
}

/* ==========================================================================
   プロフィールセクション
   ========================================================================== */
.profile-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.profile-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.profile-image {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
}

.profile-text p {
    margin-bottom: 20px;
    color: var(--color-text-light);
}

.profile-sub-illustration {
    width: 100%;
    max-width: none;
}

.profile-sub-illustration img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.profile-modal-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: none;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
}

.profile-modal-link:hover {
    border-bottom-color: currentColor;
}

.feature-list {
    list-style: none;
    margin-top: 30px;
}

.feature-list li {
    padding: 12px 0 12px 30px;
    position: relative;
    color: var(--color-text);
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-header);
    font-weight: 700;
    font-size: 18px;
}

.activity-base-mode-card .lead{
  margin: 25px 0 20px;
  line-height: 1.8;
}

.activity-base-mode-card .requirements,
.activity-tools-main .requirements{
  margin: 12px 0 14px;
  padding: 10px 12px;
  border: 1px solid rgba(0,0,0,.08);
  border-radius: 12px;
  background: rgba(0,0,0,.03);
}

.activity-base-mode-card .requirements-title,
.activity-tools-main .requirements-title{
  margin: 0 0 6px;
  font-weight: 600;
  font-size: 0.95rem;
}

.activity-base-mode-card .requirements-list,
.activity-tools-main .requirements-list{
  margin: 0;
  padding-left: 1.2em;
  line-height: 1.7;
  font-size: 0.95rem;
}

.activity-base-mode-card .requirements-list li,
.activity-tools-main .requirements-list li{
  margin: 0 0 4px;
}

.activity-base-mode-card .feature-list{
  margin: 10px 0 0;
  padding-left: 0;
  list-style: none;
}

.activity-base-mode-card .feature-list li{
  margin: 0 0 8px;
  line-height: 1.7;
}

.activity-base-mode-card .meta{
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 0 0 12px;
}

.activity-base-mode-card .meta-value{
  line-height: 1.6;
}


.activity-base-mode-card .tag{
  display: inline-block;
  width: fit-content;
  margin-right: 8px;
  padding: 2px 10px;
  border-radius: 999px;
  background: rgba(0,0,0,.06);
  font-weight: 600;
  font-size: 0.85em;
}

.status-tag {
    display: inline-block;
    margin-left: 8px;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 11px;
    line-height: 1.4;
    vertical-align: middle;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.status-tag--required {
    background: #ffe5e5;
    color: #a40023;
}

.status-tag--recommended {
    background: #e8f5ff;
    color: #174a8a;
}

.status-tag--consult {
    background: #fff3d6;
    color: #8a5a00;
}

#activity-base .profile-content {
    align-items: flex-start;
    gap: 72px;
}

#activity-base .activity-base-intro {
    grid-template-columns: 1fr;
}

#activity-base .activity-base-mode-cards {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
    margin-top: 24px;
}

#activity-base .activity-base-mode-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 18px 20px;
}

#activity-base .activity-base-mode-card h4 {
    margin: 0 0 10px;
}

#activity-base .activity-base-mode-card p {
    margin: 0;
}

#activity-base .activity-section {
    padding: 32px 36px;
    border-radius: 14px;
}

#activity-base .activity-section--current {
    background: var(--color-background);
}

#activity-base .activity-section--white {
    background: var(--color-white);
}

#activity-base .profile-content + .profile-content {
    margin-top: 84px;
}

#activity-base .profile-image img {
    margin-top: 0;
}

#activity-base .profile-text h4 {
    margin: 0 0 14px;
    font-size: 24px;
    font-weight: 600;
    color: var(--color-heading);
}

#activity-base .activity-tools-layout {
    grid-template-columns: 1fr;
    gap: 28px;
}

#activity-base .activity-tools-layout .activity-tools-main .content-title {
    margin-bottom: 14px;
}

#activity-base .activity-tools-layout .activity-tools-title {
    text-align: center;
    font-size: 35px;
    font-weight: 700;
    margin-bottom: 18px;
}

#activity-base .activity-participation-columns .activity-tools-title {
    font-size: 30px;
}

#activity-base .activity-participation-columns {
    column-gap: 80px;
}

#activity-base .activity-tools-layout .activity-tools-title--check {
    font-size: 28px;
}

#activity-base .activity-tools-layout .activity-tools-main p {
    margin-bottom: 0;
}

#activity-base .activity-tools-layout .feature-list {
    margin-top: 0;
}

#activity-base .activity-tools-note {
    margin-top: 10px;
    margin-bottom: 0;
    font-size: 13px;
    color: var(--color-text-light);
    line-height: 1.6;
}

#activity-base .activity-tools-note a {
    color: var(--color-header);
    text-decoration: underline;
    text-underline-offset: 2px;
}

#activity-base .activity-tools-note a.external-link::after {
    content: "";
    display: inline-block;
    width: 0.9em;
    height: 0.9em;
    margin-left: 0.35em;
    vertical-align: -0.08em;
    background-color: currentColor;
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M14 3h7v7h-2V6.41l-9.29 9.3-1.42-1.42 9.3-9.29H14V3z'/%3E%3Cpath d='M5 5h6v2H7v10h10v-4h2v6H5z'/%3E%3C/svg%3E") center / contain no-repeat;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M14 3h7v7h-2V6.41l-9.29 9.3-1.42-1.42 9.3-9.29H14V3z'/%3E%3Cpath d='M5 5h6v2H7v10h10v-4h2v6H5z'/%3E%3C/svg%3E") center / contain no-repeat;
}

#activity-base .activity-tools-columns {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px 72px;
    align-items: start;
}

.activity-support-card {
    margin-top: 40px;
    padding: 28px;
    border-radius: 12px;
    background: var(--color-white);
    border: 1px solid var(--color-border);
}

.activity-support-card p {
    margin-bottom: 14px;
    color: var(--color-text-light);
}

.activity-support-card p:last-of-type {
    margin-bottom: 0;
}

.activity-support-link {
    display: inline-block;
    margin-top: 16px;
    color: var(--color-header);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 2px;
    text-decoration-thickness: 1.5px;
}

#activity-base .activity-support-section {
    margin-top: 84px;
}

#activity-base .activity-support-section .activity-support-card {
    margin-top: 0;
}

.section-action {
    display: flex;
    justify-content: center;
    margin-top: 24px;
}

#join .section-action .cta-button {
    font-size: 18px;
}

/* ==========================================================================
   プログラムセクション
   ========================================================================== */
.program-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
} 

.program-grid--two-cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.comingsoon-card-wrap {
    display: flex;
    justify-content: center;
}

.comingsoon-card-wrap .program-card--comingsoon {
    width: min(100%, 920px);
}

@media (min-width: 1100px) {
    #program .program-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

.program-card {
    background-color: var(--color-white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
} 

.program-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
} 

.program-card--comingsoon {
    background-color: var(--color-white);
    padding: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: 0;
}

.program-card--comingsoon .comingsoon-content {
    padding: 30px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.program-card--comingsoon h4 {
    font-size: 22px;
    line-height: 1.4;
    color: var(--color-heading);
}

.program-card--comingsoon p {
    color: var(--color-text-light);
    margin: 0;
}

.program-card--comingsoon .btn {
    display: inline-block;
    width: fit-content;
    margin-top: 6px;
    padding: 12px 26px;
    border-radius: 50px;
    background-color: var(--color-header);
    color: var(--color-white);
    font-weight: 600;
    transition: var(--transition);
}

.program-card--comingsoon .btn:hover {
    filter: brightness(0.92);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.card-image {
    height: 250px;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.program-card:hover .card-image img {
    transform: scale(1.05);
} 

.card-content {
    padding: 30px;
}

.card-content p {
    color: var(--color-text-light);
    margin-bottom: 20px;
}

.card-features {
    list-style: none;
    margin-bottom: 25px;
}

.card-features li {
    padding: 8px 0 8px 25px;
    position: relative;
    color: var(--color-text-light);
    font-size: 14px;
}

.card-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-header);
    font-weight: 700;
    font-size: 16px;
}

.card-button {
    display: block;
    width: fit-content;
    padding: 14px 36px;
    background-color: var(--color-header);
    color: var(--color-white);
    font-weight: 600;
    font-size: 16px;
    border-radius: 50px;
    transition: var(--transition);
    margin: 20px 0 0;
}

.program-card .card-button {
    margin: 20px auto 0;
}

.profile-modal-button {
    margin: 12px auto 0;
    background-color: #a178ca;
}

.card-button:hover {
    filter: brightness(0.92);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

/* ==========================================================================
   お問い合わせセクション
   ========================================================================== */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}

.contact-info {
    padding: 40px;
    background-color: var(--color-white);
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.contact-info p {
    color: var(--color-text-light);
    margin-bottom: 30px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.contact-icon {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
}

/* お問い合わせセクションのアイコン色を個別指定 */
.contact-section .contact-icon {
    color: var(--color-header);
}

.contact-form {
    background-color: var(--color-white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 25px;
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-text);
}

.required {
    color: var(--color-error);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--color-border);
    border-radius: 5px;
    font-family: inherit;
    font-size: 16px;
    transition: var(--transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.radio-group,
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 8px;
}

.radio-group label,
.checkbox-group label {
    display: flex;
    gap: 8px;
    align-items: flex-start;
    color: var(--color-text);
    line-height: 1.6;
}

.radio-group input[type="radio"],
.checkbox-group input[type="checkbox"] {
    margin-top: 0.25em;
    flex: 0 0 auto;
}

.radio-group .form-label {
    margin-bottom: 2px;
}

.form-note {
    color: var(--color-text-light);
    font-size: 14px;
    margin-bottom: 8px;
}

.error-message {
    display: block;
    color: var(--color-error);
    font-size: 14px;
    margin-top: 5px;
    min-height: 20px;
}

.submit-button {
    width: 100%;
    padding: 15px;
    background-color: var(--color-white);
    color: var(--color-header);
    font-weight: 600;
    font-size: 16px;
    border: 2px solid var(--color-header);
    border-radius: 5px;
    transition: var(--transition);
}

.submit-button:hover {
    filter: brightness(0.92);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.submit-button:disabled {
    background-color: var(--color-border);
    cursor: not-allowed;
}

/* ==========================================================================
   フッター
   ========================================================================== */
.footer {
    background-color: var(--color-header);
    padding: 40px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    gap: 20px;
}

.footer-logo h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 10px;
}

.footer-logo p {
    color: var(--color-white);
    font-size: 14px;
} 

.social-links {
    display: flex;
    gap: 20px;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 18px;
}

.footer-link {
    font-weight: 600;
    color: var(--color-white);
    background: transparent;
    border: none;
    padding: 0;
    cursor: pointer;
    transition: var(--transition);
}

.footer-link:hover,
.footer-link:focus-visible {
    text-decoration: underline;
    outline: none;
}

.social-icon {
    width: 32px;
    height: 32px;
    color: var(--color-white);
    transition: var(--transition);
}

.social-links a:hover .social-icon {
    color: var(--color-white);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.footer-bottom p {
    color: var(--color-white);
    font-size: 14px;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 2000;
    overflow-y: auto;
    padding: 20px;
}

.modal.active {
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: var(--color-background);
    border-radius: 10px;
    max-width: 600px;
    width: 100%;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease;
    max-height: calc(100vh - 40px);
    display: flex;
    flex-direction: column;
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 30px;
    border-bottom: 2px solid var(--color-border);
}

.modal-header h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-heading);
}

.modal-close {
    font-size: 32px;
    color: var(--color-text-light);
    cursor: pointer;
    transition: var(--transition);
    line-height: 1;
}

.modal-close:hover {
    color: var(--color-text);
}

.modal-body {
    padding: 30px;
    overflow-y: auto;
}

.profile-kwsk-frame {
    width: 100%;
    height: 65vh;
    border: 0;
}

.modal-image {
    width: 100%;
    border-radius: 10px;
    margin-bottom: 20px;
}

.modal-body h4 {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-heading);
    margin: 25px 0 15px;
}

.modal-body h4:first-of-type {
    margin-top: 0;
}

.modal-body p {
    color: var(--color-text-light);
    margin-bottom: 15px;
}

.modal-body .mad-tool-list {
    margin-top: 10px;
}

.modal-body .mad-tool-note {
    font-size: 14px;
    margin-top: 6px;
    margin-bottom: 16px;
    color: var(--color-text-light);
}

.modal-body ul {
    margin-left: 20px;
    color: var(--color-text-light);
}

.modal-body ul li {
    margin-bottom: 10px;
}

.post-action-box,
.next-steps-box {
    margin-top: 28px;
    padding: 18px;
    border-radius: 12px;
    background: var(--color-white);
    border: 1px solid var(--color-border);
}

.post-action-flow {
    margin: 12px auto 0;
    display: grid;
    gap: 8px;
    justify-items: stretch;
    width: max-content;
    max-width: 100%;
}

.post-action-flow-item {
    margin: 0;
    padding: 10px 12px;
    border-radius: 8px;
    background: #f7f2fb;
    color: var(--color-heading);
    font-weight: 600;
    line-height: 1.7;
    width: 100%;
}

.post-action-flow-arrow {
    margin: 0;
    text-align: center;
    color: var(--color-heading);
    font-weight: 700;
    line-height: 1;
}

.post-action-button {
    display: block;
    width: fit-content;
    margin: 14px auto 0;
}

.post-action-note {
    margin-top: 10px;
    font-size: 13px;
    color: var(--color-text-light);
}

.external-doc-link {
    color: var(--color-header);
    text-decoration: underline;
    text-underline-offset: 2px;
    text-decoration-thickness: 1.5px;
    font-weight: 600;
}

.external-doc-link::after {
    content: " \2197";
    font-size: 0.9em;
    vertical-align: text-top;
}

.next-steps-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 12px;
}

.next-steps-links .button-secondary,
.next-steps-links .is-placeholder {
    flex: 1 1 220px;
    text-align: center;
    text-decoration: none;
}

.next-steps-links .is-placeholder {
    opacity: 0.65;
    cursor: not-allowed;
    pointer-events: none;
}

.privacy-contact-action {
    margin-top: 12px;
}

.privacy-contact-link.button-primary {
    display: inline-block;
    width: auto;
}

.terms-article {
    padding: 14px 0;
    border-bottom: 1px solid var(--color-border);
}

.terms-article:first-child {
    padding-top: 0;
}

.terms-article:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.terms-article h4 {
    margin: 0 0 8px;
    font-size: 18px;
    line-height: 1.5;
    color: var(--color-heading);
}

.terms-article p {
    margin: 0;
    font-size: 16px;
    line-height: 1.8;
    color: var(--color-text);
}

.confirm-item {
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--color-border);
}

.confirm-item:last-child {
    border-bottom: none;
}

.confirm-item strong {
    display: block;
    color: var(--color-heading);
    margin-bottom: 8px;
    font-weight: 600;
}

.confirm-item p {
    color: var(--color-text);
    white-space: pre-wrap;
}

.modal-footer {
    display: flex;
    gap: 15px;
    padding: 25px 30px;
    border-top: 2px solid var(--color-border);
}

.modal .contact-content {
    grid-template-columns: 1fr;
    gap: 24px;
}

.modal .contact-info,
.modal .contact-form {
    width: 100%;
    padding: 24px;
}

.button-primary,
.button-secondary {
    flex: 1;
    padding: 12px;
    font-weight: 600;
    border-radius: 5px;
    transition: var(--transition);
}

.button-primary {
    background-color: var(--color-header);
    color: var(--color-white);
}

.button-primary:hover {
    filter: brightness(0.92);
}

.button-secondary {
    background-color: var(--color-white);
    color: var(--color-header);
    border: 2px solid var(--color-header);
}

.button-secondary:hover {
    background-color: var(--color-background);
}

/* ==========================================================================
   レスポンシブ対応
   ========================================================================== */
@media (max-width: 768px) {
    body {
        background-color: var(--color-white);
    }

    /* ヘッダー */
    .hamburger {
        display: flex;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 60%;
        height: 100vh;
        background-color: rgba(141, 88, 187, 0.9); /* var(--color-header) with 0.9 alpha */
        padding: 80px 30px 30px;
        transition: var(--transition);
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    }

    .nav.active {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        gap: 30px;
    }

    .nav-link {
        font-size: 18px;
    }

    .nav-subitem {
        display: block;
        padding-left: 24px;
        border-left: 2px solid rgba(27, 65, 6, 0.3);
    }

    .nav-link--sub {
        display: block;
        padding-left: 10px;
    }

    /* ヒーロー */
    .hero {
        padding: 80px 0;
    }

    .hero-title {
        font-size: 32px;
        line-height: 1.3;
    }

    .hero-description {
        font-size: 16px;
    }

    .hero-break-desktop {
        display: none;
    }

    .hero-break-mobile {
        display: inline;
    }

    /* セクション */
    .section {
        padding: 60px 0;
        scroll-margin-top: 84px;
    }

    .section-title {
        font-size: 28px;
        margin-bottom: 40px;
    }

    /* プロフィール */
    .profile-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .profile-sub-illustration {
        display: none;
    }

    #activity-base .profile-content + .profile-content {
        margin-top: 36px;
    }

    #activity-base .activity-section {
        padding: 24px 18px;
    }

    #activity-base .activity-base-mode-cards {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    #activity-base .activity-tools-layout {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    #activity-base .activity-tools-layout .activity-tools-title {
        font-size: 27px;
    }

    #activity-base .activity-participation-columns .activity-tools-title {
        font-size: 23px;
    }

    #activity-base .activity-tools-columns {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .activity-support-card {
        margin-top: 28px;
        padding: 22px 18px;
    }

    #activity-base .activity-support-section {
        margin-top: 36px;
    }


    /* プログラム */
.program-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .program-grid--two-cols {
        grid-template-columns: 1fr;
    }

    /* お問い合わせ */
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-info,
    .contact-form {
        padding: 30px 20px;
    }

    /* フッター */
    .footer-content {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }

    /* モーダル */
    .modal-content {
        max-width: 95%;
        margin: 20px auto;
    }

    .modal-header,
    .modal-body,
    .modal-footer {
        padding: 20px;
    }

    .modal-footer {
        flex-direction: column;
    }

}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }

    .section-title {
        font-size: 24px;
    }

    .content-title {
        font-size: 20px;
    }

    #activity-base .activity-participation-columns {
        grid-template-columns: none;
        grid-auto-flow: column;
        grid-auto-columns: minmax(280px, 85vw);
        overflow-x: auto;
        gap: 24px;
        padding-bottom: 10px;
        -webkit-overflow-scrolling: touch;
    }

    #activity-base .activity-participation-columns > .profile-text {
        min-width: 0;
    }

    #activity-base .activity-participation-columns .activity-tools-title {
        font-size: 20px;
    }

    #activity-base .activity-participation-columns .feature-list li {
        font-size: 12px;
    }

    #activity-base .activity-tools-title--check {
        font-size: 23px;
    }
}

/* ==========================================================================
   入部申込みフロー（.join-flow内にスコープ）
   ========================================================================== */
.join-flow {
    background: radial-gradient(circle at top, #f5f6f1 0%, #ffffff 60%);
    min-height: 100vh;
    padding: 40px 0 80px;
}

.join-flow * {
    box-sizing: border-box;
}

.join-flow__container {
    max-width: 860px;
    margin: 0 auto;
    padding: 0 20px;
}

.join-flow__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 0 32px;
}

.join-flow__logo {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-heading);
}

.join-flow__back {
    font-size: 14px;
    color: var(--color-text-light);
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}

.join-flow__back:hover {
    border-bottom-color: var(--color-text-light);
}

.join-flow__hero {
    background: #ffffff;
    border-radius: 20px;
    padding: 28px 32px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
    margin-bottom: 24px;
}

.join-flow__hero h1 {
    font-size: 28px;
    color: var(--color-heading);
    margin-bottom: 8px;
}

.join-flow__hero p {
    color: var(--color-text-light);
}

.join-flow__steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 12px;
    list-style: none;
    margin: 0 0 24px;
    padding: 0;
}

.join-flow__step {
    background: #ffffff;
    border-radius: 16px;
    padding: 14px 16px;
    border: 1px solid #e6e6e6;
    font-size: 13px;
    color: var(--color-text-light);
}

.join-flow__step span {
    display: block;
    font-weight: 700;
    color: var(--color-heading);
    margin-bottom: 4px;
}

.join-flow__step.is-current {
    border-color: #5576a4;
    box-shadow: 0 10px 20px rgba(85, 118, 164, 0.18);
}

.join-flow__card {
    background: #ffffff;
    border-radius: 20px;
    padding: 28px 32px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
}

.join-flow__section-title {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--color-heading);
}

.join-flow__note {
    font-size: 14px;
    color: var(--color-text-light);
    margin-bottom: 20px;
}

.join-flow__form {
    display: grid;
    gap: 18px;
}

.join-flow__field label {
    font-weight: 600;
    display: block;
    margin-bottom: 6px;
}

.join-flow__required {
    color: var(--color-error);
    margin-left: 6px;
    font-size: 12px;
}

.join-flow__input,
.join-flow__select,
.join-flow__textarea {
    width: 100%;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 12px 14px;
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.join-flow__textarea {
    min-height: 110px;
    resize: vertical;
}

.join-flow__input:focus,
.join-flow__select:focus,
.join-flow__textarea:focus {
    outline: none;
    border-color: #5576a4;
    box-shadow: 0 0 0 3px rgba(85, 118, 164, 0.15);
}

.join-flow__checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.join-flow__field-error {
    color: var(--color-error);
    font-size: 12px;
    margin-top: 4px;
    min-height: 18px;
}

.join-flow__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

.join-flow__submit {
    background: var(--color-header);
    color: #ffffff;
    padding: 12px 26px;
    border-radius: 999px;
    font-weight: 600;
    border: none;
}

.join-flow__submit:hover {
    filter: brightness(0.95);
}

.join-flow__submit[disabled] {
    opacity: 0.6;
    cursor: not-allowed;
}

.join-flow__ghost {
    background: transparent;
    border: 1px solid var(--color-header);
    color: var(--color-header);
    padding: 10px 22px;
    border-radius: 999px;
    font-weight: 600;
}

.join-flow__ghost:hover {
    background: rgba(163,2,209,0.06);
}

.join-flow__alert {
    background: #f7f2e7;
    border: 1px solid #e7dcc4;
    color: #6b4b2a;
    border-radius: 12px;
    padding: 12px 14px;
    font-size: 13px;
    margin-bottom: 16px;
}

.join-flow__error {
    background: #fdecea;
    border: 1px solid #f5b7b1;
    color: #a94442;
    padding: 10px 12px;
    border-radius: 10px;
    font-size: 13px;
}

.join-flow__success {
    background: #e8f6ef;
    border: 1px solid #bce3cc;
    color: #2b6a4f;
    padding: 10px 12px;
    border-radius: 10px;
    font-size: 13px;
}

.join-flow__hp {
    position: absolute;
    left: -9999px;
    opacity: 0;
    height: 0;
    width: 0;
}

.join-flow__token-warning {
    background: #fff7e0;
    border: 1px solid #f3d88c;
    color: #6c4a00;
    padding: 16px;
    border-radius: 14px;
}

.join-flow__divider {
    border-top: 1px solid #e5e5e5;
    margin: 24px 0;
}

.join-flow__footer {
    margin-top: 32px;
    font-size: 12px;
    color: var(--color-text-light);
}

@media (max-width: 640px) {
    .join-flow__hero,
    .join-flow__card {
        padding: 22px 20px;
    }

    .join-flow__header {
        flex-direction: column;
        align-items: flex-start;
    }
}