/* Scoped, responsive help & FAQ pages. TDB common header/footer remain unchanged. */
.tdb-support-page{margin:0;background:#f6f9fc;color:#272c33;font-family:"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;line-height:1.75}
.tdb-support-page *{box-sizing:border-box}
.tdb-support-page [hidden]{display:none!important}
.tdb-support-page .su-wrap{width:min(1100px,calc(100% - 38px));margin:0 auto}
.tdb-support-page .su-hero{background:radial-gradient(circle at 82% 16%,rgba(246,195,66,.15),transparent 33%),linear-gradient(110deg,#194e9c 0%,#1c56ac 72%,#1e5bb8 100%);color:#fff;padding:76px 0 71px}
.tdb-support-page .su-hero-grid{display:grid;grid-template-columns:1.13fr .87fr;align-items:center;gap:46px}
.tdb-support-page .su-kicker{display:inline-block;color:#f5ce6b;font-weight:900;letter-spacing:.14em;font-size:12px;margin-bottom:13px}
.tdb-support-page .su-kicker-dark{color:#1a63d1}
.tdb-support-page .su-hero h1{font-size:clamp(35px,4.5vw,55px);font-weight:900;line-height:1.29;margin:0 0 18px;color:#fff;letter-spacing:-.03em}
.tdb-support-page .su-hero h1 em{font-style:normal;color:#ffde89}
.tdb-support-page .su-hero-lead{margin:0;color:#dce7f5;line-height:1.95;font-size:clamp(14px,1.4vw,17px)}
.tdb-support-page .su-hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.tdb-support-page .su-btn{display:inline-flex;align-items:center;justify-content:center;text-align:center;gap:5px;text-decoration:none!important;padding:11px 21px;min-height:46px;font-weight:900;font-size:14px;border-radius:11px;transition:transform .15s,background .15s}
.tdb-support-page .su-btn:hover{transform:translateY(-2px)}
.tdb-support-page .su-btn-primary,.tdb-support-page .su-btn-primary:visited{background:#f7c953;color:#21262c!important;border:1px solid transparent}
.tdb-support-page .su-btn-primary:hover{background:#ffd875}
.tdb-support-page .su-btn-outline,.tdb-support-page .su-btn-outline:visited{color:#f3f8ff!important;background:transparent;border:1px solid #8b95a3}
.tdb-support-page .su-btn-soft,.tdb-support-page .su-btn-soft:visited{background:#e6edf7;color:#282e36!important}
.tdb-support-page .su-hero-card{border-radius:22px;background:rgba(255,255,255,.085);padding:30px;border:1px solid rgba(255,255,255,.15);box-shadow:0 17px 40px rgba(0,0,0,.17)}
.tdb-support-page .su-mini-label{color:#f5ce6b;letter-spacing:.12em;font-weight:900;font-size:12px;margin-bottom:14px}
.tdb-support-page .su-mini-step{display:flex;align-items:center;gap:17px;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.13);font-size:16px;font-weight:800}
.tdb-support-page .su-mini-step b{color:#f4cc68;font-size:23px}
.tdb-support-page .su-hero-card>p{color:#d0ddef;font-size:13px;margin:18px 0 0}
.tdb-support-page .su-section{padding:70px 0}
.tdb-support-page .su-quick-section{background:#fff}
.tdb-support-page .su-section-head{margin-bottom:30px}
.tdb-support-page .su-section-head h2,.tdb-support-page .su-help-bottom h2,.tdb-support-page .su-faq-title{font-size:clamp(25px,3vw,36px);line-height:1.4;margin:0 0 8px;color:#282d35}
.tdb-support-page .su-section-head p,.tdb-support-page .su-help-bottom p{font-size:15px;color:#5c6675;margin:0}
.tdb-support-page .su-quick-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.tdb-support-page .su-quick-grid>a{border:1px solid #d7e1ef;background:#f7fafe;border-radius:16px;padding:22px;text-decoration:none!important;display:flex;flex-direction:column;min-height:140px;box-shadow:0 6px 20px rgba(37,42,49,.03)}
.tdb-support-page .su-quick-grid>a:hover{border-color:#f0c14a;background:#fff}
.tdb-support-page .su-quick-grid>a span{font-size:27px}
.tdb-support-page .su-quick-grid>a strong{color:#30363f;font-size:17px;margin-top:6px}
.tdb-support-page .su-quick-grid>a small{color:#6a7686;font-size:12px}
.tdb-support-page .su-guides{display:grid;gap:18px}
.tdb-support-page .su-guide-card{display:grid;grid-template-columns:72px 1fr;gap:20px;scroll-margin-top:106px;padding:32px;border:1px solid #dbe4f0;background:white;border-radius:18px;box-shadow:0 6px 22px rgba(45,51,59,.04)}
.tdb-support-page .su-guide-number{font-weight:900;color:#edb31f;font-size:35px;line-height:1.2}
.tdb-support-page .su-guide-main h2{font-size:23px;margin:0 0 9px;color:#282d35}
.tdb-support-page .su-guide-main>p{margin:0 0 16px;color:#5c6776}
.tdb-support-page .su-steps{padding-left:23px;margin:0 0 17px;color:#3d4551}
.tdb-support-page .su-steps li{margin:7px 0;padding-left:2px}
.tdb-support-page .su-link,.tdb-support-page .su-link:visited{color:#424b57!important;font-weight:900;text-decoration:none!important}
.tdb-support-page .su-link:hover{text-decoration:underline!important;text-underline-offset:4px}
.tdb-support-page .su-note{border-left:4px solid #f2c85e;background:#fff9e7;border-radius:0 13px 13px 0;margin-top:23px;padding:20px 24px;color:#604e31}
.tdb-support-page .su-note strong{font-size:16px;color:#704515}
.tdb-support-page .su-note p{margin:5px 0 0;font-size:13px}
.tdb-support-page .su-help-bottom{background:#e9eff7}
.tdb-support-page .su-help-bottom-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:stretch}
.tdb-support-page .su-help-bottom-grid>div{padding:24px 26px}
.tdb-support-page .su-support-cta{background:#fff;border:1px solid #dbe3ed;border-radius:17px;box-shadow:0 8px 25px rgba(38,43,50,.04)}
.tdb-support-page .su-stack-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.tdb-support-page .su-faq-nav{background:#fff;border-bottom:1px solid #e0e7f1}
.tdb-support-page .su-faq-pills{display:flex;align-items:center;gap:12px;overflow-x:auto;white-space:nowrap;padding:15px 0}
.tdb-support-page .su-faq-pills a,.tdb-support-page .su-faq-pills a:visited{background:#f0f4fa;border:1px solid #dae3ee;color:#404854!important;font-size:13px;font-weight:800;padding:8px 12px;text-decoration:none!important;border-radius:999px}
.tdb-support-page .su-faq-pills a:hover{background:#e3ecf8}
.tdb-support-page .su-search-card label{font-size:16px;font-weight:900;color:#fff;display:block;margin-bottom:14px}
.tdb-support-page .su-search-wrap{display:flex;align-items:center;gap:8px;background:#fff;border-radius:11px;padding:0 14px;border:2px solid transparent}
.tdb-support-page .su-search-wrap:focus-within{border-color:#f2c960}
.tdb-support-page .su-search-wrap span{font-size:26px;color:#5a6472}
.tdb-support-page .su-search-wrap input{width:100%;min-width:0;height:52px;border:0;background:transparent;outline:0;font-size:15px;color:#262b32}
.tdb-support-page .su-faq-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;align-items:start;gap:34px}
.tdb-support-page .su-faq-lead{color:#636f7f;margin:0 0 26px}
.tdb-support-page .su-faq-group{scroll-margin-top:108px;margin:0 0 37px}
.tdb-support-page .su-faq-group h3{color:#2b3139;font-size:22px;margin:0 0 14px;border-left:4px solid #f5c650;padding-left:13px}
.tdb-support-page .su-faq-items{display:grid;gap:10px}
.tdb-support-page .su-faq-item{background:#fff;border:1px solid #dce5f0;border-radius:13px;overflow:hidden}
.tdb-support-page .su-faq-item[open]{border-color:#bccee6;box-shadow:0 8px 26px rgba(47,53,62,.05)}
.tdb-support-page .su-faq-item summary{cursor:pointer;list-style:none;padding:19px 48px 19px 20px;font-size:15px;font-weight:900;color:#2e343d;position:relative}
.tdb-support-page .su-faq-item summary::-webkit-details-marker{display:none}
.tdb-support-page .su-faq-item summary::after{content:'＋';font-weight:600;color:#134897;position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:22px}
.tdb-support-page .su-faq-item[open] summary::after{content:'−'}
.tdb-support-page .su-faq-answer{padding:0 20px 20px;color:#5a6473;font-size:14px;line-height:1.95;border-top:1px solid #f0f3f8}
.tdb-support-page .su-faq-answer p{margin:14px 0 0}
.tdb-support-page .su-faq-answer a,.tdb-support-page .su-faq-answer a:visited{font-weight:800;color:#424b57!important}
.tdb-support-page .su-faq-side{position:sticky;top:104px;display:grid;gap:17px}
.tdb-support-page .su-faq-side>div{background:#fff;border:1px solid #dde5f0;border-radius:16px;padding:24px}
.tdb-support-page .su-faq-side h3{margin:0 0 10px;color:#2e343d;font-size:20px}
.tdb-support-page .su-faq-side p{margin:0 0 18px;font-size:14px;color:#626d7d}
.tdb-support-page .su-faq-side-links{display:grid;gap:11px}
.tdb-support-page .su-faq-side-links strong{font-size:15px;color:#2e343d}
.tdb-support-page .su-faq-side-links .su-link{font-size:13px}
.tdb-support-page .su-search-empty{background:#fffaeb;color:#73532a;border:1px solid #efdfae;padding:20px;border-radius:12px}
@media(max-width:900px){.tdb-support-page .su-hero-grid{grid-template-columns:1fr;gap:22px}.tdb-support-page .su-hero-card{max-width:670px}.tdb-support-page .su-faq-layout{grid-template-columns:1fr}.tdb-support-page .su-faq-side{position:static;grid-template-columns:1fr 1fr}}
@media(max-width:650px){.tdb-support-page .su-wrap{width:min(100% - 26px,1100px)}.tdb-support-page .su-hero{padding:50px 0}.tdb-support-page .su-section{padding:52px 0}.tdb-support-page .su-hero h1{font-size:33px}.tdb-support-page .su-hero-card{padding:22px}.tdb-support-page .su-quick-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.tdb-support-page .su-quick-grid>a{padding:15px;min-height:125px}.tdb-support-page .su-quick-grid>a strong{font-size:14px}.tdb-support-page .su-guide-card{grid-template-columns:1fr;gap:8px;padding:24px 18px}.tdb-support-page .su-guide-number{font-size:24px}.tdb-support-page .su-guide-main h2{font-size:21px}.tdb-support-page .su-help-bottom-grid,.tdb-support-page .su-faq-side{grid-template-columns:1fr}.tdb-support-page .su-help-bottom-grid>div{padding:18px}.tdb-support-page .su-faq-item summary{font-size:14px;padding:17px 42px 17px 15px}.tdb-support-page .su-faq-answer{padding:0 16px 18px}.tdb-support-page .su-faq-pills{gap:8px}.tdb-support-page .su-faq-pills a{font-size:12px}}
@media(prefers-reduced-motion:reduce){.tdb-support-page .su-btn{transition:none}}