:root{--c-blue:#4267d5;--c-deep:#26375f;--c-bg:#f1f3f7;--c-card:#fff;--c-line:#dce1e9;--c-text:#20242c;--c-muted:#657084;--c-green:#16855b;--c-orange:#d9711c;--c-red:#c53c4b}*{box-sizing:border-box}body{margin:0;background:var(--c-bg);color:var(--c-text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Yu Gothic",Meiryo,sans-serif}.c-shell{max-width:1180px;margin:auto;padding:18px}.c-head{background:linear-gradient(135deg,#273a69,#496ed9);color:#fff}.c-head-inner{max-width:1180px;margin:auto;padding:28px 18px}.c-brand{display:flex;align-items:center;gap:14px}.c-logo{width:54px;height:54px;border-radius:16px;background:#fff;color:#4267d5;display:grid;place-items:center;font-size:28px}.c-head h1{margin:0;font-size:29px}.c-head p{margin:6px 0 0;color:#e8edff}.c-nav{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}.c-nav a,.c-btn{display:inline-block;border:0;border-radius:8px;padding:10px 15px;text-decoration:none;font-weight:700;cursor:pointer}.c-nav a{background:rgba(255,255,255,.13);color:#fff}.c-nav a:hover{background:rgba(255,255,255,.23)}.c-btn{background:var(--c-blue);color:#fff}.c-btn.light{background:#fff;color:var(--c-deep)}.c-btn.green{background:var(--c-green)}.c-btn.gray{background:#657084}.c-grid{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:18px}.c-card{background:#fff;border:1px solid var(--c-line);border-radius:12px;padding:18px;margin-bottom:14px;box-shadow:0 3px 14px rgba(32,40,65,.04)}.c-card h2,.c-card h3{margin-top:0}.c-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.c-stat{background:#fff;border:1px solid var(--c-line);border-radius:12px;padding:16px}.c-stat strong{display:block;font-size:28px;color:var(--c-blue)}.c-post{display:block;color:inherit;text-decoration:none}.c-post:hover{border-color:#aebae0}.c-meta{display:flex;gap:10px;flex-wrap:wrap;color:var(--c-muted);font-size:12px}.c-title{font-size:19px;margin:9px 0}.c-summary{color:#4c5564;line-height:1.75}.c-tags{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:8px}.c-tag{display:inline-block;padding:4px 9px;border-radius:999px;background:#e9edfb;color:#3155bd;font-size:12px;font-weight:700}.c-status-development{background:#fff0e2;color:#b45a10}.c-status-completed{background:#e4f5ed;color:#08764e}.c-status-considering{background:#f0eafb;color:#6b43a5}.c-form label{display:block;font-weight:700;margin:14px 0 6px}.c-form input,.c-form select,.c-form textarea{width:100%;border:1px solid #cbd2dd;border-radius:8px;padding:11px;background:#fff;font:inherit}.c-form textarea{min-height:160px;resize:vertical}.c-note{padding:12px;background:#eef3ff;border-left:4px solid var(--c-blue);line-height:1.7}.c-search{display:grid;grid-template-columns:1fr 160px auto;gap:8px}.c-comment{border-top:1px solid var(--c-line);padding:14px 0}.c-reply{margin-left:32px;padding-left:14px;border-left:3px solid #dce4fb}.c-official{background:#eef8f4;border:1px solid #bfe3d4;border-radius:9px;padding:15px;line-height:1.75}.c-image{max-width:100%;border-radius:10px;border:1px solid var(--c-line);margin-top:12px}.c-footer{text-align:center;padding:28px;color:var(--c-muted)}
.c-post-detail{padding:24px}.c-post-detail h1{font-size:30px;line-height:1.4;margin:14px 0}.c-post-body{margin-top:24px;padding-top:20px;border-top:1px solid var(--c-line);font-size:16px;line-height:2;color:#3d4654}.c-post-image{display:block;max-height:640px;object-fit:contain;background:#eef1f5;box-shadow:0 10px 28px rgba(32,40,65,.12)}
.c-official-answer{margin-bottom:14px;padding:20px;border-left:6px solid var(--c-green);box-shadow:0 5px 18px rgba(22,133,91,.08)}.c-official-title{display:flex;align-items:center;gap:12px;margin-bottom:14px}.c-official-title>span{font-size:30px}.c-official-title strong{display:block;font-size:18px;color:#086c49}.c-official-title small{display:block;color:#5f7c70;margin-top:2px}.c-official-body{background:#fff;padding:16px;border-radius:8px;line-height:1.9;color:#324b42}
.c-comments-section{padding:22px}.c-comments-heading{display:flex;justify-content:space-between;gap:15px;align-items:flex-end;border-bottom:1px solid var(--c-line);padding-bottom:14px}.c-comments-heading h2{margin:0;font-size:23px}.c-comments-heading p{margin:5px 0 0;color:var(--c-muted);font-size:13px}.c-comment-list{padding:4px 0 12px}.c-comment-card{--reply-depth:0;position:relative;margin:14px 0;padding:16px 17px;background:#f9fafc;border:1px solid #e0e5ec;border-radius:11px;box-shadow:0 2px 8px rgba(32,40,65,.035)}.c-comment-reply{margin-left:calc(min(var(--reply-depth),3) * 28px);border-left:4px solid #a9b9e7;background:#fbfcff}.c-comment-official{background:#eef8f4;border-color:#bfe3d4;border-left:5px solid var(--c-green)}.c-comment-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.c-comment-author{display:flex;align-items:flex-start;gap:10px}.c-avatar{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:#e8edfb;font-size:18px;flex:none}.c-comment-official .c-avatar{background:#d9f1e7}.c-comment-author strong{font-size:15px}.c-comment-author time{display:block;margin-top:4px;color:var(--c-muted);font-size:11px}.c-official-badge{display:inline-block;margin-left:7px;padding:2px 7px;border-radius:999px;background:var(--c-green);color:#fff;font-size:10px;font-weight:800}.c-comment-body{padding:14px 0 2px 46px;line-height:1.85;color:#3e4755;overflow-wrap:anywhere}.c-reply-link{color:#315fc5;text-decoration:none;font-size:12px;font-weight:700;white-space:nowrap}.c-reply-link:hover{text-decoration:underline}.c-empty-comment{padding:24px;text-align:center;color:var(--c-muted);background:#fafbfd;border:1px dashed #ccd5e2;border-radius:9px;margin-top:14px}
.c-success{display:flex;flex-direction:column;gap:3px;margin:16px 0;padding:14px 16px;background:#e6f6ee;border:1px solid #b5e4cb;border-radius:9px;color:#087a45}.c-comment-form-wrap{margin-top:20px;padding-top:20px;border-top:1px solid var(--c-line)}.c-form-heading h3{margin:0;font-size:21px}.c-form-heading p{margin:7px 0 0;color:var(--c-muted);line-height:1.7}.c-field-note{display:block;margin-top:5px;color:var(--c-muted)}.c-reply-target{display:flex;justify-content:space-between;gap:15px;margin:16px 0;padding:13px 15px;background:#eef3ff;border-left:5px solid var(--c-blue);border-radius:7px}.c-reply-target p{margin:5px 0 0;color:#59667b;font-size:13px}.c-reply-target a{color:#315fc5;font-size:12px;white-space:nowrap}.c-comment-submit{margin-top:14px;min-width:150px}.c-like-card{text-align:center;position:sticky;top:14px}.c-like-icon{font-size:40px}.c-like-card b{font-size:28px}.c-like-message{font-size:12px;color:var(--c-muted);min-height:18px}
@media(max-width:800px){.c-grid{grid-template-columns:1fr}.c-stats{grid-template-columns:1fr}.c-search{grid-template-columns:1fr}.c-head h1{font-size:23px}.c-shell{padding:12px}.c-reply{margin-left:14px}.c-post-detail{padding:18px}.c-post-detail h1{font-size:25px}.c-comments-section{padding:16px}.c-comment-card{padding:14px}.c-comment-reply{margin-left:calc(min(var(--reply-depth),3) * 12px)}.c-comment-head{align-items:flex-start}.c-comment-body{padding-left:0;margin-top:10px}.c-reply-target{flex-direction:column}.c-like-card{position:static}.c-nav a{padding:9px 11px;font-size:13px}.c-form input,.c-form textarea{font-size:16px}.c-comment-submit{width:100%;padding:13px}}
@media(max-width:480px){.c-head-inner{padding:20px 12px}.c-brand{align-items:flex-start}.c-logo{width:46px;height:46px;border-radius:13px}.c-head h1{font-size:20px}.c-head p{font-size:12px;line-height:1.5}.c-post-detail h1{font-size:22px}.c-comments-heading h2{font-size:20px}.c-comment-author strong{font-size:14px}.c-reply-link{padding:7px 0}.c-comment-reply{margin-left:8px}.c-card{border-radius:10px}}