/* IncomeUp Corp Site — Common Styles */
html{scroll-behavior:smooth;}
body{font-family:'Noto Sans JP',sans-serif;color:#1a1a1a;font-size:18px;line-height:1.9;}
@media(min-width:768px){body{font-size:19px;}}
h1,h2,h3,h4{font-family:'Noto Serif JP',serif;}
.section-divider{width:60px;height:3px;margin:1rem auto;background:linear-gradient(90deg,#800000,#c9a84c,#800000);}
.fade-in{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease;}
.fade-in.visible{opacity:1;transform:translateY(0);}
::-webkit-scrollbar{width:4px;}
::-webkit-scrollbar-thumb{background:#800000;}

/* Image protection */
img{-webkit-user-drag:none;-khtml-user-drag:none;-moz-user-drag:none;user-drag:none;pointer-events:none;}
a img,button img{pointer-events:auto;}

/* Brand cards (index, brands) */
.brand-card{transition:transform .2s ease,box-shadow .2s ease;}
.brand-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(0,0,0,.1);}
.brand-card-pending{background:repeating-linear-gradient(45deg,#f9f9f9,#f9f9f9 4px,#f4f4f4 4px,#f4f4f4 8px);}

/* Contact page */
.purpose-btn{transition:all .2s ease;}
.purpose-btn.active{background:#800000;color:#fff;border-color:#800000;}
.purpose-result{display:none;}
.purpose-result.visible{display:block;}

/* Privacy page */
.policy-section h2{border-left:4px solid #800000;padding-left:1rem;margin-bottom:1rem;margin-top:2.5rem;}
.policy-section p,.policy-section li{line-height:1.9;color:#374151;}
.policy-section ul{list-style:disc;padding-left:1.5rem;}
.policy-section ol{list-style:decimal;padding-left:1.5rem;}

/* Phase 4 — typography utilities */
/* リード文: 19px/20px, line-height 1.85 */
.text-lead{font-size:1.125rem;line-height:1.85;}
@media(min-width:768px){.text-lead{font-size:1.25rem;}}
/* セクション眉書き: 14px, 字間広め */
.section-eyebrow{font-size:.875rem;letter-spacing:.08em;font-weight:500;}

/* Phase 4 — tap target utilities (WCAG 2.5.5) */
/* 汎用ボタン最低48px, 目的選択ボタン最低56px */
.btn-tap{min-height:48px;}
.btn-purpose-tap{min-height:56px;}