/* about/style.css — このサイトについてページ固有スタイル */

.about-profile,
.about-description,
.about-tools,
.about-verification,
.about-contact {
    max-width: 720px;
    margin: 0 auto 2rem;
    padding: 0 1rem;
}

.about-section-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--c-text, #111827);
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--c-border, #e5e7eb);
}

/* プロフィールカード */
.about-profile-card {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--c-surface, #f9fafb);
    border: 1px solid var(--c-border, #e5e7eb);
    border-radius: 8px;
}

.about-profile-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--c-text, #111827);
}

.about-profile-handle {
    margin-top: 0.25rem;
}

.about-profile-handle a {
    color: var(--c-primary, #1d4ed8);
    text-decoration: none;
}

.about-profile-handle a:hover {
    text-decoration: underline;
}

.about-profile-details {
    margin-top: 0.5rem;
    padding-left: 1.25rem;
    list-style: disc;
    color: var(--c-text-secondary, #6b7280);
    font-size: 0.875rem;
    line-height: 1.75;
}

/* 本文 */
.about-description p,
.about-verification p,
.about-contact p {
    color: var(--c-text-secondary, #6b7280);
    font-size: 0.9375rem;
    line-height: 1.8;
    margin-bottom: 0.75rem;
}

/* ツール一覧 */
.about-tool-list {
    list-style: none;
    padding: 0;
}

.about-tool-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--c-border-light, #f3f4f6);
    font-size: 0.9375rem;
    color: var(--c-text-secondary, #6b7280);
}

.about-tool-list li:last-child {
    border-bottom: none;
}

.about-tool-list a {
    color: var(--c-primary, #1d4ed8);
    text-decoration: none;
    font-weight: 500;
}

.about-tool-list a:hover {
    text-decoration: underline;
}

/* 検証リスト */
.about-verification-list,
.about-contact-list {
    padding-left: 1.25rem;
    list-style: disc;
    color: var(--c-text-secondary, #6b7280);
    font-size: 0.9375rem;
    line-height: 1.8;
}

.about-contact-list a {
    color: var(--c-primary, #1d4ed8);
    text-decoration: none;
}

.about-contact-list a:hover {
    text-decoration: underline;
}

/* レスポンシブ */
@media (max-width: 640px) {
    .about-profile,
    .about-description,
    .about-tools,
    .about-verification,
    .about-contact {
        padding: 0 0.75rem;
        margin-bottom: 1.5rem;
    }

    .about-section-title {
        font-size: 1.125rem;
    }
}