.guides-index__intro {
    max-width: 720px;
    margin: 0 auto 3rem;
    text-align: center;
}

.guides-index__intro > p:last-child {
    color: #6c757d;
    font-size: 16px;
    line-height: 1.75;
}

.guides-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
}

.guide-card {
    display: flex;
    flex-direction: column;
    padding: 1.75rem;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 1rem;
    background: #fff;
    transition: transform 0.2s, box-shadow 0.2s;
}

.guide-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
}

.guide-card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    margin-bottom: 1.25rem;
    border-radius: 12px;
    color: #ef7b00;
    background: #fff3e0;
}

.guide-card__meta {
    margin-bottom: 0.5rem;
    color: #959595;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.guide-card__title {
    margin-bottom: 0.75rem;
    color: #212529;
    font-size: 20px;
    font-weight: 700;
    line-height: 1.35;
}

.guide-card__title a { text-decoration: none; }
.guide-card__excerpt { margin-bottom: 1.25rem; color: #6c757d; font-size: 14px; line-height: 1.7; }
.guide-card__link { display: inline-flex; align-items: center; gap: 0.4rem; margin-top: auto; color: #de5f04; font-size: 14px; font-weight: 700; text-decoration: none; }

.guide-detail__hero { padding: 7rem 0 4.5rem; background: linear-gradient(135deg, #fff8ef, #fff); }
.guide-breadcrumb { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 2.5rem; color: #959595; font-size: 13px; }
.guide-breadcrumb li + li::before { margin-right: 0.5rem; color: #adb5bd; content: '›'; }
.guide-breadcrumb a { display: inline-flex; align-items: center; gap: 0.35rem; color: #6c757d; text-decoration: none; }
.guide-detail__heading { max-width: 850px; }
.guide-detail__heading h1 { margin-bottom: 1.25rem; color: #212529; font-size: clamp(36px, 6vw, 62px); font-weight: 800; line-height: 1.08; letter-spacing: -0.03em; }
.guide-detail__heading > p:last-child { max-width: 760px; color: #5f666d; font-size: 18px; line-height: 1.75; }

.guide-detail__layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 4rem; padding-top: 4.5rem; padding-bottom: 5rem; }
.guide-detail__content { max-width: 760px; }
.guide-detail__content section { margin-bottom: 3rem; scroll-margin-top: 100px; }
.guide-detail__content h2 { margin-bottom: 1rem; color: #212529; font-size: clamp(24px, 4vw, 34px); font-weight: 750; line-height: 1.2; }
.guide-detail__content p { margin-bottom: 1rem; color: #555d65; font-size: 17px; line-height: 1.85; }
.guide-detail__content ul { display: grid; gap: 0.75rem; margin: 1.25rem 0; padding: 0; list-style: none; }
.guide-detail__content li { display: flex; align-items: flex-start; gap: 0.75rem; color: #495057; font-size: 16px; line-height: 1.65; }
.guide-detail__content li svg { flex: 0 0 auto; margin-top: 0.25rem; }

.guide-notice { padding: 2rem; border-radius: 1rem; background: #fff3e0; }
.guide-notice h2 { font-size: 23px; }
.guide-notice p { font-size: 15px; }
.guide-related { position: sticky; top: 110px; align-self: start; padding: 1.5rem; border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 1rem; background: #fff; }
.guide-related h2 { margin-bottom: 1rem; color: #212529; font-size: 17px; font-weight: 700; }
.guide-related li + li { border-top: 1px solid rgba(0, 0, 0, 0.07); }
.guide-related li a { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; padding: 0.9rem 0; color: #495057; font-size: 14px; font-weight: 600; text-decoration: none; }
.guide-related__all { display: inline-block; margin-top: 1rem; color: #de5f04; font-size: 14px; font-weight: 700; }

@media (max-width: 900px) {
    .guides-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .guide-detail__layout { grid-template-columns: 1fr; gap: 2rem; }
    .guide-related { position: static; }
}

@media (max-width: 620px) {
    .guides-grid { grid-template-columns: 1fr; }
    .guide-detail__hero { padding: 6rem 0 3rem; }
    .guide-detail__heading h1 { font-size: 36px; }
    .guide-detail__heading > p:last-child { font-size: 16px; }
    .guide-detail__layout { padding-top: 3rem; }
}