/* =================================== */
/* Global & Common Styles            */
/* =================================== */
body { 
    font-family: 'Noto Sans JP', sans-serif; 
    background-color: #f8fafc;
    color: #334155;
}

.text-tiffany { color: #0ABAB5; }
.bg-tiffany { background-color: #0ABAB5; }
.border-tiffany { border-color: #0ABAB5; }
.hover\:bg-tiffany-dark:hover { background-color: #08918A; }
.body-no-scroll { overflow: hidden; }

/* --- Header & Mobile Menu --- */
#mobile-menu { transition: transform 0.3s ease-in-out; }

.mobile-category-button {
    padding: 0.375rem 1rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    border: 1px solid #d1d5db; /* slate-300 */
    white-space: nowrap;
    transition: all 0.2s ease-in-out;
    background-color: white;
    color: #475569; /* slate-600 */
}
.mobile-category-button.active {
    background-color: #0ABAB5;
    color: white;
    border-color: #0ABAB5;
}

/* =================================== */
/* Index Page Styles                 */
/* =================================== */
.category-button.active {
    background-color: #0ABAB5;
    color: white;
}
.category-button:not(.active):hover {
    background-color: #f0f9ff;
    color: #0ABAB5;
}

/* =================================== */
/* Article Page Common Styles        */
/* =================================== */
.article-content h2 { 
    font-size: 1.75rem; 
    font-weight: 700; 
    margin-top: 3rem; 
    margin-bottom: 1.5rem; 
    padding-bottom: 0.75rem; 
    border-bottom: 2px solid #0ABAB5; 
}
.article-content h3 { 
    font-size: 1.25rem; 
    font-weight: 700; 
    margin-top: 2.5rem; 
    margin-bottom: 1rem; 
    padding-left: 1rem; 
    border-left: 4px solid #0ABAB5; 
}
.article-content p { 
    margin-bottom: 0.5rem; 
    line-height: 1.8; 
}
.article-content a:not(.amazon-button):not(.rakuten-button) { 
    color: #0ABAB5; 
    text-decoration: underline; 
}
.article-content code {
    background-color: #e2e8f0;
    padding: 0.2em 0.4em;
    margin: 0;
    font-size: 85%;
    border-radius: 3px;
}
.accent-text {
    color: #c026d3;
    font-weight: 700;
}
.key-cap {
    background-color: #f1f5f9;
    border: 1px solid #cbd5e1;
    border-radius: 0.25rem;
    padding: 0.1rem 0.5rem;
    font-family: monospace;
    font-weight: 600;
    box-shadow: 1px 1px 1px #94a3b8;
    color: #1f2937;
}
.article-content th, .article-content td { border: 1px solid #e2e8f0; padding: 0.75rem; text-align: left; vertical-align: top; }
.article-content th { background-color: #f1f5f9; font-weight: bold; }
.article-content .pros { color: #2563eb; }
.article-content .cons { color: #dc2626; }
.affiliate-button {
    display: inline-flex; align-items: center; gap: 0.5rem; color: white;
    padding: 0.6rem 1.5rem; border-radius: 0.5rem; font-weight: bold;
    text-decoration: none; box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: all 0.2s ease-in-out;
}
.affiliate-button:hover { box-shadow: 0 4px 8px rgba(0,0,0,0.15); }
.amazon-button { background: linear-gradient(to bottom, #FFD814, #FFA41C); color: #0F1111; border: 1px solid #FCD200; }
.amazon-button:hover { background: linear-gradient(to bottom, #F7CA00, #F09903); border-color: #F09903; }
.rakuten-button { background: #BF0000; border: 1px solid #BF0000; }
.rakuten-button:hover { background: #A60000; }

/* =================================== */
/* Policy & Disclaimer Page Styles   */
/* =================================== */
.policy-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #0ABAB5;
}
.policy-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-top: 2rem;
    margin-bottom: 1rem;
}
.policy-content p {
    margin-bottom: 1rem;
    line-height: 1.75;
}
.policy-content ul {
    list-style-type: disc;
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}
.policy-content a {
    color: #0ABAB5;
    text-decoration: underline;
}
.policy-content a:hover {
    opacity: 0.8;
}