:root{
  --forest-950:#16251d;--forest-900:#1d3025;--forest-800:#294331;--forest-700:#355940;--forest-600:#467253;
  --forest-100:#e8efe9;--forest-050:#f4f7f3;--earth-700:#755f45;--earth-300:#cdbd9f;
  --paper:#fbfaf6;--ink:#20251f;--muted:#687168;--line:#d7ddd4;--danger:#9b2c2c;
  --danger-bg:#fff2f1;--shadow:0 10px 30px rgba(30,50,37,.08);--radius:10px;--content:1080px;
}
*{box-sizing:border-box}
html{background:#e9ede8}
body{margin:0;color:var(--ink);font-family:"Yu Gothic","YuGothic","Hiragino Kaku Gothic ProN","Noto Sans JP",system-ui,-apple-system,sans-serif;line-height:1.72;font-size:15px}
a{color:var(--forest-700);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--forest-900)}
button,input,textarea,select{font:inherit}
button,.button-link{appearance:none;border:1px solid var(--forest-700);background:var(--forest-700);color:#fff;padding:8px 13px;border-radius:6px;cursor:pointer;font-weight:650;line-height:1.3}
button:hover,.button-link:hover{background:var(--forest-900);color:#fff}
button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,a:focus-visible{outline:3px solid rgba(70,114,83,.26);outline-offset:2px}
input,textarea,select{width:100%;border:1px solid #bdc8bd;background:#fff;color:var(--ink);border-radius:6px;padding:9px 10px}
textarea{min-height:150px;resize:vertical}
label{display:grid;gap:5px;font-weight:600}
form{display:grid;gap:12px}
h1,h2,h3{line-height:1.35;color:var(--forest-950)}
h1{font-size:clamp(1.65rem,3vw,2.3rem);margin:.25em 0 .45em}
h2{font-size:1.28rem;margin:1.8em 0 .7em}
h3{font-size:1.08rem}
.eyebrow{display:block;color:var(--earth-700);font-size:.74rem;font-weight:800;letter-spacing:.16em;margin-bottom:5px}
.meta{font-size:.86rem;color:var(--muted)}
.toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.toolbar>a{display:inline-flex;align-items:center;min-height:34px;padding:5px 9px;border:1px solid var(--line);border-radius:5px;background:#fff;text-decoration:none}
.flash{border:1px solid var(--line);background:#fff;box-shadow:var(--shadow);border-radius:8px;padding:10px 13px;margin:12px 0}
.field-error{color:var(--danger);font-size:.88rem;font-weight:700;margin-top:2px}
.page-help{font-size:.9rem;color:#48544a;background:var(--forest-050);border-left:3px solid var(--forest-600);padding:9px 11px;margin:8px 0 16px}
.page-lead{max-width:700px;color:#526055;margin:.2em 0 0}
.warning-note{background:#fff8ea;border:1px solid #ead7ad;color:#684d20;border-radius:8px;padding:11px 13px;font-weight:700}
.danger{background:var(--danger);border-color:var(--danger);color:#fff}
.button-link{display:inline-block;text-decoration:none}
.button-link.danger{background:#fff;color:var(--danger);border-color:#d8a1a1}
.button-link.danger:hover{background:var(--danger);color:#fff}
.danger-panel{border:2px solid #c56565;background:var(--danger-bg);border-radius:8px;padding:14px;margin:16px 0}
.danger-text{color:#7e1e1e}

/* PUBLIC */
.public-page{background:linear-gradient(rgba(251,250,246,.95),rgba(251,250,246,.97)),repeating-linear-gradient(90deg,transparent 0,transparent 28px,rgba(53,89,64,.035) 29px,transparent 30px);min-height:100vh}
.site-header{max-width:var(--content);margin:0 auto;min-height:78px;padding:14px 22px;display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line)}
.site-brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--forest-950)}
.site-brand:hover{color:var(--forest-950)}
.site-brand-mark,.admin-brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--forest-800);color:#fff;font-family:serif;font-weight:800;box-shadow:inset 0 0 0 3px rgba(255,255,255,.12)}
.site-brand-copy{display:grid;line-height:1.2}
.site-brand-copy strong{font-family:serif;font-size:1.2rem;letter-spacing:.08em}
.site-subtitle{margin-top:4px;color:#748075;font-size:.72rem}
.site-nav{display:flex;gap:14px;font-size:.88rem}
.site-nav a{text-decoration:none}
.page-shell{max-width:var(--content);margin:0 auto;padding:32px 22px 64px}
.page-hero,.thread-hero{padding:18px 0 24px;border-bottom:1px solid var(--line);margin-bottom:20px}
.thread-hero{padding-top:6px}
.thread-status-line{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:.88rem}
.status-chip{display:inline-flex;padding:2px 8px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:.77rem;font-weight:700}
.warning-chip{border-color:#dec48c;background:#fff7e5;color:#77571f}
.breadcrumbs{display:flex;gap:7px;align-items:center;color:var(--muted);font-size:.82rem;margin-bottom:12px}
.breadcrumbs a{text-decoration:none}
.site-footer{max-width:var(--content);margin:0 auto;border-top:1px solid var(--line);color:#7b847c;padding:18px 22px 30px;font-size:.78rem}
.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-top:28px;border-bottom:2px solid var(--forest-800);padding-bottom:8px}
.section-heading h2{margin:0}
.thread-count{font-size:.82rem;color:var(--muted)}

/* THREAD LIST */
.thread{position:relative;border-bottom:1px solid var(--line);padding:15px 12px;transition:background .15s,border-color .15s}
.thread:hover{background:rgba(232,239,233,.55)}
.thread>a:first-child{font-weight:750;color:var(--forest-950);font-size:1.02rem;text-decoration:none}
.thread .meta{margin-top:5px}
.new{display:inline-block;margin-left:7px;color:#fff;background:var(--forest-700);padding:1px 6px;border-radius:999px;font-size:.65rem;font-weight:800;vertical-align:2px}

/* DETAILS / FORMS */
details{border:1px solid var(--line);background:rgba(255,255,255,.64);border-radius:var(--radius);margin:14px 0;overflow:hidden}
details>summary{cursor:pointer;list-style:none;font-weight:750;padding:11px 14px;color:var(--forest-900)}
details>summary::-webkit-details-marker{display:none}
details>summary::before{content:"＋";display:inline-block;width:1.4em;color:var(--forest-600)}
details[open]>summary::before{content:"－"}
details>form,details>ul,details>.page-help{margin:0 14px 15px}
.rules ul{padding-left:1.4em}
.format-toolbar{display:flex;gap:5px;flex-wrap:wrap;margin:0 0 5px;padding:6px;background:var(--forest-050);border:1px solid var(--line);border-radius:6px}
.format-toolbar button{min-width:auto;padding:5px 9px;color:#37463a;background:#fff;border-color:#ccd5cc;font-weight:600}
.format-toolbar button:hover{background:#e7eee8;color:var(--forest-950)}
.format-help{font-size:.78rem;color:#788078;margin:-2px 0 4px}

/* POSTS */
.post{position:relative;margin:12px 0;padding:16px 16px 14px;background:rgba(255,255,255,.86);border:1px solid var(--line);border-left:4px solid var(--earth-300);border-radius:var(--radius);box-shadow:0 3px 14px rgba(30,50,37,.035)}
.post h3{margin:0 105px 8px 0}
.post-actions{position:absolute;right:13px;top:12px;display:flex;gap:7px;font-size:.8rem}
.post-actions a{color:#727b73;text-decoration:none}
.post-actions a:hover{color:var(--forest-800)}
.post-meta{padding-bottom:8px;border-bottom:1px dotted #d7ddd4}
.post-body{padding:14px 2px 8px;overflow-wrap:anywhere}
.post-footer{display:flex;justify-content:flex-end;margin-top:8px}
.post-footer button{background:#fff;color:var(--forest-700);border-color:#c4d0c5;padding:5px 10px;font-size:.84rem}
.post-footer button:hover{background:var(--forest-100);color:var(--forest-950)}
.inline-form{display:inline}
.inline-form button{padding:0 3px;border:0;background:transparent;color:var(--forest-700);font-weight:500}
.bbs-quote{color:#3f6d51}
.bbs-code{background:#202822;color:#e7eee8;border-radius:6px;padding:12px;overflow:auto;line-height:1.5}
.images{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px;margin-top:10px}
.images a,.images span{display:block;overflow:hidden;border-radius:7px;background:#e9ede8;border:1px solid #d6ddd7}
.images img{width:100%;height:auto;display:block}
.image-slot{border:1px solid var(--line);background:#fff;border-radius:8px;padding:10px}
.image-slot img{max-width:180px;height:auto;display:block;margin:8px 0;border-radius:5px}

/* SEARCH / PAGINATION */
.inline-search{margin:14px 0 22px;padding:14px;border:1px solid #bfcbbf;border-radius:var(--radius);background:var(--forest-050)}
.inline-search h2{margin-top:0}
.inline-search form{display:grid;grid-template-columns:minmax(220px,1fr) 110px 130px auto;gap:8px;align-items:end}
.search-result{padding:11px 4px;border-bottom:1px solid var(--line)}
.search-result-title{font-weight:750;text-decoration:none}
.search-result-excerpt{margin-top:4px;white-space:pre-wrap;color:#4f5a51}
.page-shell>nav.toolbar:last-of-type{justify-content:center;margin-top:24px}
.page-shell>nav.toolbar strong,.page-shell>nav.toolbar a{min-width:34px;text-align:center;justify-content:center}

/* MODALS */
#lightbox{position:fixed;inset:0;background:rgba(9,16,11,.92);display:flex;align-items:center;justify-content:center;z-index:9999}
#lightbox[hidden]{display:none}
#lightbox img{max-width:95vw;max-height:95vh;box-shadow:0 15px 50px rgba(0,0,0,.35)}
dialog{border:0;border-radius:12px;width:min(860px,94vw);max-height:90vh;overflow:auto;box-shadow:0 24px 80px rgba(15,30,20,.28)}
dialog::backdrop{background:rgba(12,22,15,.62)}
#bbs-preview-dialog{padding:0}
#bbs-preview-dialog .preview-shell{padding:16px}
#bbs-preview-dialog .preview-heading{display:flex;justify-content:space-between;gap:12px;align-items:baseline;border-bottom:1px solid var(--line);padding-bottom:8px}
#bbs-preview-dialog .preview-heading small{color:var(--muted)}
#bbs-preview-dialog .preview-actions{position:sticky;bottom:0;background:#fff;border-top:1px solid var(--line);padding-top:12px;margin-top:12px}
.toast{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);z-index:10000;max-width:min(640px,90vw);color:#fff;background:var(--forest-900);border-color:var(--forest-900);box-shadow:0 16px 45px rgba(0,0,0,.24);transition:opacity .35s,transform .35s;padding:13px 18px}
.toast-hide{opacity:0;transform:translate(-50%,-50%) scale(.96)}

/* ADMIN */
.admin-page{min-height:100vh;background:#edf0ed;color:#273028}
.admin-header{position:sticky;top:0;z-index:100;display:flex;align-items:center;gap:20px;background:#1d2a21;color:#fff;min-height:58px;padding:8px max(16px,calc((100vw - 1280px)/2));box-shadow:0 2px 12px rgba(0,0,0,.14)}
.admin-brand{flex:0 0 auto}
.admin-brand a{display:flex;align-items:center;gap:9px;color:#fff;text-decoration:none}
.admin-brand-mark{width:34px;height:34px;background:#48644f;font-size:.9rem}
.admin-brand span:last-child{display:grid;line-height:1.1}
.admin-brand strong{font-size:.9rem}
.admin-brand small{font-size:.67rem;color:#adbaae;margin-top:3px}
.adminnav{display:flex;align-items:center;gap:2px;flex-wrap:wrap;margin:0;flex:1}
.adminnav a{color:#dce4dd;text-decoration:none;font-size:.78rem;font-weight:650;padding:7px 9px;border-radius:5px}
.adminnav a:hover{background:#314237;color:#fff}
.adminnav .admin-danger-link{color:#f0b9b9}
.adminnav .admin-logout{margin-left:auto;border:1px solid #506357}
.admin-main{width:min(1280px,calc(100% - 32px));margin:0 auto;padding:28px 0 60px}
.admin-main>h1{margin-top:0}
.admin-page .page-help{background:#fff;border-left-color:#6f8173;box-shadow:0 1px 3px rgba(0,0,0,.03)}
.admin-page form:not(.inline-admin-form):not(.admin-search):not(.inline-form){background:#fff;border:1px solid #d7ded7;border-radius:8px;padding:14px}
.admin-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px;margin:16px 0 24px}
.admin-stats>div{background:#fff;border:1px solid #d6ded6;border-radius:8px;padding:15px;text-align:left;box-shadow:0 2px 8px rgba(20,40,28,.035)}
.admin-stats strong{display:block;font-size:1.75rem;line-height:1;color:#263d2d}
.admin-stats span{display:block;font-size:.76rem;color:#748076;margin-top:7px}
.admin-recent-row{background:#fff;padding:11px 13px;border:1px solid #dde3dd;border-bottom:0}
.admin-recent-row:last-child{border-bottom:1px solid #dde3dd;border-radius:0 0 7px 7px}
.admin-recent-row:first-of-type{border-radius:7px 7px 0 0}
.admin-search{display:flex;gap:9px;align-items:end;flex-wrap:wrap;background:#fff;border:1px solid #d7ded7;border-radius:8px;padding:12px;margin:12px 0 18px}
.admin-search label{display:grid;gap:4px;font-size:.8rem}
.admin-thread-group{background:#fff;border:1px solid #d2dad2;border-radius:8px;margin:16px 0;overflow:hidden}
.admin-thread-header{display:flex;justify-content:space-between;gap:12px;align-items:center;background:#e7ece8;padding:10px 13px;border-bottom:1px solid #d3dbd4}
.admin-thread-header h2{font-size:1rem;margin:0}
.admin-post-row{padding:11px 13px;border-top:1px solid #e1e6e1}
.admin-post-row:first-of-type{border-top:0}
.admin-post-heading{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.admin-post-excerpt{white-space:pre-wrap;margin:6px 0;color:#485149}
.inline-admin-form{display:flex;gap:5px;flex-wrap:wrap}
.inline-admin-form button{font-size:.76rem;padding:5px 8px}
.status-badge{display:inline-block;border:1px solid #b7c2b8;background:#f3f6f3;padding:1px 6px;font-size:.72rem;border-radius:999px}
.admin-page .thread{background:#fff;border:1px solid #d8dfd8;border-radius:7px;margin:8px 0;padding:11px 13px}
.admin-page .thread form{display:inline-flex!important;background:transparent!important;border:0!important;padding:0!important;margin-left:8px}
.admin-page pre{background:#202822;color:#e4ebe5;border-radius:7px;padding:12px;overflow:auto}
.reset-box{background:#fff5f4;border:1px solid #dca6a0;border-radius:8px;padding:14px;margin:16px 0}
.reset-box h2{margin-top:0}
.admin-login-page{display:grid;place-items:center;min-height:100vh;padding:20px;background:#e9eeea}
.admin-login-page form{width:min(440px,100%);box-shadow:var(--shadow)}

@media(max-width:760px){
  body{font-size:14px}
  .site-header{padding:12px 15px;min-height:68px}
  .site-subtitle{display:none}
  .site-nav{display:none}
  .page-shell{padding:22px 14px 46px}
  .site-footer{padding:16px 14px 24px}
  .post{padding:14px 12px}
  .post h3{margin-right:0;padding-right:64px}
  .post-actions{right:10px;top:11px}
  .images{grid-template-columns:repeat(2,minmax(0,1fr))}
  .inline-search form{grid-template-columns:1fr}
  .admin-header{position:static;align-items:flex-start;flex-direction:column;padding:10px 12px;gap:7px}
  .adminnav{width:100%;overflow-x:auto;flex-wrap:nowrap;padding-bottom:3px}
  .adminnav a{white-space:nowrap}
  .adminnav .admin-logout{margin-left:0}
  .admin-main{width:calc(100% - 20px);padding:18px 0 42px}
}
@media(max-width:420px){
  .images{grid-template-columns:1fr}
  .toolbar{gap:6px}
  .format-toolbar button{font-size:.8rem}
}


/* compact posting forms */
.visually-hidden{
  position:absolute!important;
  width:1px!important;height:1px!important;
  padding:0!important;margin:-1px!important;
  overflow:hidden!important;
  clip:rect(0,0,0,0)!important;
  white-space:nowrap!important;
  border:0!important;
}
.compact-field{display:block}
.compact-field input{display:block}
.bbs-post-form{gap:8px}
.bbs-post-form input::placeholder,
.bbs-post-form textarea::placeholder{
  color:#8a948b;
  opacity:.82;
}
.bbs-post-form input:focus::placeholder,
.bbs-post-form textarea:focus::placeholder{opacity:.45}
.bbs-post-form textarea{min-height:132px}
.bbs-post-form .format-toolbar{margin-top:0}

.toolbar-separator{width:1px;height:26px;background:var(--line);margin:0 2px}
.attachment-card{display:flex;align-items:center;gap:10px;margin-top:10px;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:#fff}
.attachment-icon{display:grid;place-items:center;width:42px;height:42px;border-radius:6px;background:#a33;color:#fff;font-size:.72rem;font-weight:800}
.attachment-info{display:grid;min-width:0;flex:1}
.attachment-info strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:.9rem}
.attachment-info small{color:var(--muted)}
.attachment-download{white-space:nowrap;text-decoration:none;font-weight:700}
.attachment-edit{border-top:1px solid var(--line);padding-top:8px;margin-top:6px}
.attachment-edit h2{margin:.4em 0}


/* admin logs */
.admin-log-table-wrap{
  overflow-x:auto;
  margin:14px 0 18px;
  border:1px solid var(--line, #d7ddd8);
  border-radius:10px;
  background:#fff;
}
.admin-log-table{
  width:100%;
  min-width:860px;
  border-collapse:collapse;
  font-size:.92rem;
}
.admin-log-table th,
.admin-log-table td{
  padding:10px 12px;
  border-bottom:1px solid var(--line, #e2e6e3);
  text-align:left;
  vertical-align:top;
}
.admin-log-table th{
  background:#eef3ef;
  white-space:nowrap;
}
.admin-log-table tr:last-child td{border-bottom:0}
.admin-log-time{white-space:nowrap}
.admin-log-details{
  min-width:260px;
  white-space:pre-wrap;
  overflow-wrap:anywhere;
}


/* edit/delete controls */
.image-slot{position:relative}
.image-slot .delete-check{position:absolute;top:9px;right:10px}
.delete-check{
  display:inline-flex;align-items:center;gap:6px;width:max-content;
  margin:0;padding:5px 9px;border:1px solid #d5b7b4;border-radius:999px;
  background:#fff7f6;color:#8b3028;font-weight:700;cursor:pointer;line-height:1
}
.delete-check input[type="checkbox"]{
  width:16px;height:16px;margin:0;flex:0 0 auto;accent-color:#9b3b32
}
.delete-check:hover{background:#fcebea;border-color:#c99590}
.attachment-edit .attachment-delete-check{margin:4px 0 10px auto}


/* public rules */
.rules ul{margin:.65em 0 .2em;padding-left:1.4em}
.rules li{margin:.42em 0;line-height:1.65}
.rules code{
  font-family:ui-monospace,SFMono-Regular,Consolas,monospace;
  font-size:.92em;
  background:#eef3ef;
  padding:.08em .3em;
  border-radius:4px;
}