.page-support__container { max-width: 1200px; margin: 0 auto; padding-left: 16px; padding-right: 16px; }
.page-support__hero-section { background: #017439; padding: 16px 16px 40px; }
.page-support__hero-image-wrap { border-radius: 12px; overflow: hidden; box-shadow: 0 8px 24px rgba(0,0,0,0.2); }
.page-support__hero-image { display: block; width: 100%; height: auto; aspect-ratio: 1920/560; object-fit: cover; }
.page-support__hero-content { max-width: 900px; margin: 0 auto; text-align: center; padding-top: 32px; }
.page-support__main-title { color: #FFFFFF; font-weight: 800; line-height: 1.3; letter-spacing: 0.02em; max-width: 800px; margin: 0 auto 16px; }
.page-support__hero-text { color: #E6F4EC; font-size: 1.1rem; line-height: 1.7; max-width: 760px; margin: 0 auto 28px; }
.page-support__hero-actions { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }
.page-support__btn { display: inline-block; border-radius: 60px; padding: 14px 32px; font-weight: 700; font-size: 1rem; text-decoration: none; text-align: center; max-width: 100%; box-sizing: border-box; white-space: normal; word-wrap: break-word; }
.page-support__btn--primary { background: #C30808; color: #FFFF00; }
.page-support__btn--secondary { background: #FFFFFF; color: #017439; }
.page-support__intro-section { background: #FFFFFF; padding: 56px 0 16px; }
.page-support__section-tag { display: inline-block; background: #E8F5EE; color: #017439; border-radius: 30px; padding: 6px 18px; font-size: 0.85rem; font-weight: 700; letter-spacing: 0.05em; margin-bottom: 12px; }
.page-support__section-title { color: #017439; max-width: 800px; margin: 0 auto 16px; text-align: center; line-height: 1.4; }
.page-support__section-desc { max-width: 900px; margin: 0 auto 32px; text-align: center; color: #333333; line-height: 1.7; }
.page-support__guide-section { background: #F8FBF9; padding: 40px 0 64px; }
.page-support__guide-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.page-support__guide-card { background: #FFF; border-radius: 12px; padding: 24px; box-shadow: 0 2px 12px rgba(1, 116, 57, 0.08); max-width: 100%; box-sizing: border-box; overflow: hidden; display: flex; flex-direction: column; }
.page-support__guide-media { border-radius: 10px; overflow: hidden; margin-bottom: 16px; }
.page-support__guide-image { display: block; width: 100%; height: auto; aspect-ratio: 800/450; object-fit: cover; }
.page-support__guide-icon { font-size: 1.8rem; display: block; margin-bottom: 8px; }
.page-support__guide-title { color: #017439; font-size: 1.1rem; line-height: 1.5; margin-bottom: 12px; }
.page-support__guide-text { color: #333333; line-height: 1.7; font-size: 0.95rem; flex-grow: 1; }
.page-support__guide-link { color: #0477db; text-decoration: none; font-weight: 600; margin-top: 16px; display: inline-block; }
.page-support__channel-section { background: #017439; padding: 64px 0; }
.page-support__channel-section .page-support__section-title { color: #FFFFFF; }
.page-support__channel-section .page-support__section-desc { color: #E6F4EC; }
.page-support__channel-section .page-support__section-tag { background: rgba(255,255,255,0.15); color: #FFFFFF; }
.page-support__channel-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.page-support__channel-card { display: block; background: #FFFFFF; border-radius: 12px; padding: 28px 20px; text-decoration: none; transition: transform 0.2s ease, box-shadow 0.2s ease; text-align: center; }
.page-support__channel-card-icon { color: #017439; display: block; font-size: 2.2rem; margin-bottom: 12px; }
.page-support__channel-card-title { color: #017439; font-size: 1.1rem; margin-bottom: 8px; line-height: 1.4; }
.page-support__channel-card-text { color: #333333; font-size: 0.9rem; line-height: 1.6; }
.page-support__faq-section { background: #FFFFFF; padding: 64px 0; }
.page-support__faq-item { background: #F8FBF9; border: 1px solid #DCE9E1; border-radius: 12px; margin-bottom: 12px; padding: 8px 20px; max-width: 900px; margin-left: auto; margin-right: auto; box-sizing: border-box; }
.page-support__faq-question { font-weight: 700; color: #017439; cursor: pointer; padding: 16px 0; list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.page-support__faq-question::-webkit-details-marker { display: none; }
.page-support__faq-question::after { content: '+'; font-size: 1.5rem; color: #017439; flex-shrink: 0; }
.page-support__faq-item[open] > .page-support__faq-question::after { content: '-'; }
.page-support__faq-answer { padding: 0 0 16px; animation: page-support__fadeIn 0.3s ease; }
.page-support__faq-answer p { margin-bottom: 0; color: #333333; line-height: 1.7; }
@keyframes page-support__fadeIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: translateY(0); } }
@media (max-width: 1024px) {
    .page-support__guide-grid { grid-template-columns: repeat(2, 1fr); }
    .page-support__channel-list { grid-template-columns: repeat(2, 1fr); }
    .page-support__container { padding-left: 24px; padding-right: 24px; }
}
@media (max-width: 768px) {
    .page-support__hero-section { padding: 10px 10px 32px; }
    .page-support__hero-image { aspect-ratio: 16/9; }
    .page-support__hero-content { padding-top: 24px; }
    .page-support__hero-text { font-size: 1rem; }
    .page-support__intro-section, .page-support__guide-section, .page-support__channel-section, .page-support__faq-section { padding-top: 44px; padding-bottom: 44px; }
    .page-support__section-title { font-size: 1.5rem; }
    .page-support__guide-grid, .page-support__channel-list { grid-template-columns: 1fr; }
    .page-support img { max-width: 100% !important; height: auto !important; }
    .page-support__btn { width: auto; max-width: 100%; box-sizing: border-box; white-space: normal; }
    .page-support__hero-actions { flex-direction: column; align-items: center; }
}