:root{--paper:#fff;--paper-raised:#fff;--ink:#333;--ink-soft:#555;--ink-faint:#888;--accent:#e0862e;--accent-soft:#f2c48f;--accent-bg:#fdecd8;--gold-a:#f0932b;--gold-b:#e0862e;--card-accent:#f3c3d0;--urgent:#e0392c;--pink:#c2447a;--pink-bg:#fbe4ea;--line:#e5e5e5;--card-line:#f3c3d0;--neutral-text:#666;--neutral-bg:#f0f0f0;--shadow:0 2px 4px #0000000d, 0 8px 20px #0000000f;--nav-height:68px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}:root[data-theme=dark]{--paper:#1a1a1a;--paper-raised:#262626;--ink:#ececec;--ink-soft:#c7c7c7;--ink-faint:#999;--accent:#f0993f;--accent-soft:#c97423;--accent-bg:#3a2a15;--gold-a:#f0993f;--gold-b:#e0862e;--card-accent:#5c3540;--urgent:#ef6a5a;--pink:#e88bb0;--pink-bg:#3d2530;--line:#3a3a3a;--card-line:#5c3540;--neutral-text:#b8b8b8;--neutral-bg:#2a2a2a;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}:root[data-theme=light]{--paper:#fff;--paper-raised:#fff;--ink:#333;--ink-soft:#555;--ink-faint:#888;--accent:#e0862e;--accent-soft:#f2c48f;--accent-bg:#fdecd8;--gold-a:#f0932b;--gold-b:#e0862e;--card-accent:#f3c3d0;--urgent:#e0392c;--pink:#c2447a;--pink-bg:#fbe4ea;--line:#e5e5e5;--card-line:#f3c3d0;--neutral-text:#666;--neutral-bg:#f0f0f0;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}html{height:100%}html,body{max-width:100vw;overflow-x:hidden}body{min-height:100%;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;padding-bottom:calc(var(--nav-height) + 12px);flex-direction:column;font-family:Hiragino Kaku Gothic ProN,Yu Gothic,Noto Sans JP,Hiragino Sans,sans-serif;font-size:18px;line-height:1.85;display:flex}*{box-sizing:border-box;margin:0;padding:0}a{color:inherit;text-decoration:none}h1,h2,h3{text-wrap:balance;font-family:Hiragino Mincho ProN,Yu Mincho,Noto Serif JP,serif;font-weight:600}button{font:inherit;cursor:pointer}img{max-width:100%;display:block}.page{flex-direction:column;gap:1.5rem;max-width:720px;margin:0 auto;padding:2rem 1.25rem 3rem;display:flex}.page.narrow{max-width:640px}.lead{color:var(--ink-soft);max-width:52ch;font-size:.95rem}.grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;display:grid}.site-header{z-index:30;background:var(--paper-raised);border-bottom:1px solid var(--line);color:var(--ink);align-items:center;gap:.75rem;padding:.9rem 1.25rem;display:flex;position:sticky;top:0}.site-header .brand{color:var(--accent);align-items:center;gap:.4rem;font-size:1.05rem;font-weight:700;display:flex}.site-header .tagline{color:var(--ink-faint);font-size:.78rem}@media (max-width:480px){.site-header .tagline{display:none}}.bottom-nav{height:var(--nav-height);background:var(--paper-raised);border-top:1px solid var(--card-line);z-index:40;justify-content:space-around;align-items:center;display:flex;position:fixed;bottom:0;left:0;right:0}.bottom-nav-item{color:var(--ink-soft);border-radius:8px;flex-direction:column;align-items:center;gap:.2rem;padding:.4rem .8rem;font-size:.82rem;font-weight:600;display:flex}.bottom-nav-item.active{color:var(--accent);font-weight:700}.bottom-nav-icon{font-size:1.4rem}.badges{flex-wrap:wrap;gap:.45rem;display:flex}.badge{white-space:nowrap;border-radius:999px;padding:.25rem .75rem;font-size:.85rem;font-weight:700}.badge-positive{color:var(--accent);background:var(--accent-bg)}.badge-negative{color:var(--ink-soft);background:var(--neutral-bg)}.badge-feature{color:var(--pink);background:var(--pink-bg)}.badge-pending{color:var(--neutral-text);background:var(--neutral-bg)}.event-card{background:var(--paper-raised);border:1px solid var(--card-line);box-shadow:var(--shadow);color:var(--ink);border-radius:10px;flex-direction:column;display:flex;overflow:hidden}.event-card .thumb{background:linear-gradient(135deg, var(--accent-soft), var(--gold-a));height:100px}.event-card .body{flex-direction:column;gap:.45rem;padding:1rem 1.1rem 1.2rem;display:flex}.event-card .badges{margin-bottom:.2rem}.event-card .title{font-size:1.15rem;font-weight:700}.event-card .meta{color:var(--ink-soft);font-size:.95rem}.event-card .organizer{color:var(--ink-soft);margin-top:.25rem;font-size:.88rem}.hero{background-image:linear-gradient(#ffffffe6,#fffffff5),url(/images/hero-kanpai.jpg);background-position:50% 30%;background-size:cover;border-radius:14px;flex-direction:column;gap:1rem;margin:0 -1.25rem;padding:1.75rem;display:flex}@media (min-width:481px){.hero{margin:0}}.hero .eyebrow{color:var(--gold-b);letter-spacing:.06em;font-size:.85rem;font-weight:700}.hero h1{font-size:clamp(1.6rem,5vw,2.1rem);line-height:1.5}.hero .lead{margin-top:-.25rem}.cta{background:var(--accent);color:#fff;box-shadow:var(--shadow);border-radius:6px;align-self:flex-start;margin-top:.5rem;padding:.85rem 1.6rem;font-size:1rem;font-weight:700}.upcoming h2{margin-bottom:1rem;font-size:1.25rem}.more-link{color:var(--accent);margin-top:1.25rem;font-size:.92rem;font-weight:700;display:inline-block}.detail-thumb{background:linear-gradient(135deg, var(--accent-soft), var(--gold-a));height:180px;margin:0 -1.25rem .5rem}.detail-organizer{color:var(--ink-soft);font-size:.95rem}.facts{background:var(--paper-raised);border:1px solid var(--card-line);border-radius:10px;flex-direction:column;gap:.7rem;margin-top:.5rem;padding:1.1rem 1.3rem;display:flex}.facts div{justify-content:space-between;gap:1rem;font-size:1rem;display:flex}.facts dt{color:var(--ink-soft);flex-shrink:0}.facts dd{text-align:right;color:var(--ink);font-weight:700}.description{color:var(--ink-soft);font-size:1rem;line-height:1.95}.apply-button{background:var(--accent);color:#fff;width:100%;box-shadow:var(--shadow);border:none;border-radius:6px;margin-top:.75rem;padding:1rem;font-size:1.05rem;font-weight:700}.note{color:var(--ink-soft);text-align:center;font-size:.85rem}.board-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;display:flex}.board-head h1{font-size:1.5rem}.new-topic-button{background:var(--accent);color:#fff;box-shadow:var(--shadow);border:none;border-radius:6px;padding:.6rem 1.1rem;font-size:.92rem;font-weight:700}.topic-list{border:1px solid var(--card-line);background:var(--paper-raised);box-shadow:var(--shadow);border-radius:10px;flex-direction:column;display:flex;overflow:hidden}.topic-row{border-top:1px solid var(--line);color:var(--ink);flex-direction:column;gap:.3rem;padding:.95rem 1.1rem;display:flex}.topic-row:first-child{border-top:none}.topic-main{flex-wrap:wrap;align-items:center;gap:.5rem;display:flex}.topic-title{font-size:1rem;font-weight:700}.topic-category{white-space:nowrap;color:var(--neutral-text);background:var(--neutral-bg);border-radius:999px;padding:.12rem .55rem;font-size:.74rem;font-weight:700}.cat-自己紹介{color:var(--accent);background:var(--accent-bg)}.cat-趣味{color:var(--pink);background:var(--pink-bg)}.cat-イベント感想{color:var(--gold-b);background:var(--accent-bg)}.topic-meta{color:var(--ink-faint);gap:.9rem;font-size:.8rem;display:flex}.board-note{color:var(--ink-faint);font-size:.82rem}.back-link{color:var(--accent);font-size:.88rem;font-weight:700}.thread-head{flex-direction:column;align-items:flex-start;gap:.4rem;display:flex}.thread-head h1{font-size:1.3rem;line-height:1.5}.thread-meta{color:var(--ink-faint);font-size:.85rem}.reply-list{flex-direction:column;gap:.8rem;display:flex}.reply-item{background:var(--paper-raised);border:1px solid var(--card-line);box-shadow:var(--shadow);border-radius:10px;flex-direction:column;gap:.4rem;padding:.9rem 1.1rem;display:flex}.reply-head{align-items:center;gap:.6rem;display:flex}.reply-avatar{background:var(--accent-bg);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;font-size:1.15rem;display:flex;overflow:hidden}.reply-avatar img{object-fit:cover;width:100%;height:100%}.reply-author{font-size:.92rem;font-weight:700}.reply-date{color:var(--ink-faint);font-size:.78rem}.reply-num{color:var(--ink-faint);margin-left:auto;font-size:.78rem}.reply-body{color:var(--ink-soft);font-size:.95rem;line-height:1.85}.report-link{color:var(--ink-faint);background:0 0;border:none;align-self:flex-end;padding:0;font-size:.76rem;text-decoration:underline}.report-done{color:var(--ink-faint);align-self:flex-end;font-size:.76rem}.error-note{color:var(--urgent,#c0392b);font-size:.88rem;font-weight:600}.note a,.lead a{color:var(--accent);font-weight:700;text-decoration:underline}.badge-official{color:#fff;background:var(--accent)}.mini-avatar{background:var(--accent-bg);vertical-align:middle;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:26px;height:26px;font-size:.9rem;display:inline-flex;overflow:hidden}.mini-avatar img{object-fit:cover;width:100%;height:100%}.organizer{flex-wrap:wrap;align-items:center;gap:.4rem;display:flex}.topic-meta{align-items:center}.thread-meta.with-avatar{flex-wrap:wrap;align-items:center;gap:.45rem;display:flex}.admin-section{border:1px solid var(--card-line);background:var(--paper-raised);border-radius:10px;flex-direction:column;gap:.7rem;padding:1.1rem 1.2rem;display:flex}.admin-item{border-top:1px solid var(--line);flex-direction:column;gap:.4rem;padding:.7rem 0;display:flex}.admin-item:first-of-type{border-top:none}.admin-item-head{align-items:center;gap:.6rem;display:flex}.admin-target-text{color:var(--ink-soft);background:var(--neutral-bg);border-radius:8px;padding:.6rem .8rem;font-size:.92rem}.admin-actions{flex-wrap:wrap;gap:.6rem;display:flex}.admin-member{flex-flow:wrap;align-items:center;gap:.7rem}.admin-member-name{flex-wrap:wrap;align-items:center;gap:.4rem;font-size:.92rem;font-weight:600;display:inline-flex}.admin-member .reply-date{margin-left:auto}.danger-button{font:inherit;color:var(--urgent,#c0392b);border:1px solid var(--urgent,#c0392b);background:0 0;border-radius:6px;padding:.35rem .9rem;font-size:.85rem;font-weight:700}.danger-button.armed{color:#fff;background:var(--urgent,#c0392b)}.resolve-button{font:inherit;color:var(--ink-soft);background:var(--neutral-bg);border:none;border-radius:6px;align-self:flex-start;padding:.35rem .9rem;font-size:.85rem;font-weight:600}.site-footer{text-align:center;border-top:1px solid var(--line);color:var(--ink-faint);padding:1.5rem 1.25rem 1rem;font-size:.82rem}.site-footer nav{flex-wrap:wrap;justify-content:center;gap:.5rem;display:flex}.site-footer a{color:var(--ink-soft);text-decoration:underline}.legal h2{margin-top:.75rem;font-size:1.05rem}.legal p,.legal li{color:var(--ink-soft);font-size:.92rem;line-height:1.9}.legal ul{flex-direction:column;gap:.3rem;padding-left:1.3rem;display:flex}.legal strong{color:var(--ink)}.legal-meta{border-top:1px solid var(--line);margin-top:1rem;padding-top:1rem}.line-login-card{background:#e8f8e8;border:1px solid #b8e4b8;border-radius:10px;flex-direction:column;gap:.7rem;padding:1rem 1.2rem;display:flex}.line-login-card p{color:#204020;font-size:.9rem}.line-login-button{color:#fff;background:#06c755;border-radius:8px;align-self:flex-start;padding:.75rem 1.5rem;font-size:.98rem;font-weight:700}.consent-note{color:#4a6b4a;font-size:.78rem}.consent-note a{color:inherit;text-decoration:underline}.reply-form{flex-direction:column;gap:.6rem;margin-top:.5rem;display:flex}.reply-form h2{font-size:1.05rem}.reply-form textarea{font:inherit;border:1px solid var(--line);background:var(--paper-raised);color:var(--ink);resize:vertical;border-radius:8px;padding:.8rem .9rem;font-size:.95rem}.reply-form textarea:focus{outline:2px solid var(--accent-soft)}.apply-button:disabled{opacity:.45;cursor:default}.reply-sent{color:var(--accent);font-size:.92rem;font-weight:700}.reply-image{border:1px solid var(--line);border-radius:8px;max-width:min(100%,360px);margin-top:.25rem}.attach-row{flex-wrap:wrap;align-items:flex-start;gap:.9rem;display:flex}.attach-button{color:var(--accent);background:var(--accent-bg);cursor:pointer;border-radius:6px;align-items:center;gap:.35rem;padding:.5rem .95rem;font-size:.9rem;font-weight:700;display:inline-flex}.attach-preview{align-items:flex-start;gap:.5rem;display:flex}.attach-preview img{object-fit:cover;border:1px solid var(--line);border-radius:8px;width:88px;height:88px}.attach-preview button{color:var(--ink-faint);background:0 0;border:none;padding:0;font-size:.8rem;text-decoration:underline}.attach-note{color:var(--ink-faint);font-size:.8rem}.profile-form{flex-direction:column;gap:1.4rem;display:flex}.profile-form .field{flex-direction:column;gap:.45rem;display:flex}.profile-form label{font-size:.95rem;font-weight:700}.required{color:var(--accent);background:var(--accent-bg);vertical-align:middle;border-radius:999px;margin-left:.3rem;padding:.1rem .5rem;font-size:.72rem;font-weight:700}.profile-form input[type=text],.profile-form textarea{font:inherit;border:1px solid var(--line);background:var(--paper-raised);color:var(--ink);border-radius:8px;padding:.75rem .9rem;font-size:.95rem}.profile-form input[type=text]:focus,.profile-form textarea:focus{outline:2px solid var(--accent-soft)}.field-note{color:var(--ink-faint);font-size:.8rem}.chip-select{flex-wrap:wrap;gap:.5rem;display:flex}.chip{font:inherit;border:1px solid var(--line);background:var(--paper-raised);color:var(--ink-soft);border-radius:999px;padding:.4rem .95rem;font-size:.88rem;font-weight:600}.chip.selected{border-color:var(--accent);background:var(--accent-bg);color:var(--accent);font-weight:700}.radio-row{flex-wrap:wrap;gap:1.2rem;display:flex}.radio-option{align-items:center;gap:.35rem;font-size:.92rem;font-weight:600;display:flex}.radio-option input{accent-color:var(--accent);width:1.1rem;height:1.1rem}.list-label{margin-top:.25rem;font-size:1.05rem}.tier-badge{vertical-align:middle;white-space:nowrap;border-radius:999px;padding:.1rem .5rem;font-size:.7rem;font-weight:700;display:inline-block}.tier-gold{color:#7a5c00;background:linear-gradient(135deg,#ffe9a8,#f5c944)}.tier-silver{color:#4a5158;background:linear-gradient(135deg,#eceff2,#c3cad1)}.tier-bronze{color:#6e3f14;background:linear-gradient(135deg,#f0d3b2,#d8a06a)}.tier-beginner{color:var(--positive,#1e8a4c);background:#dcefe2}.participants{flex-direction:column;gap:.5rem;display:flex}.participant-row{flex-wrap:wrap;gap:.45rem;display:flex}.participant-chip{background:var(--neutral-bg);color:var(--ink-soft);border-radius:999px;padding:.3rem .8rem;font-size:.85rem;font-weight:600}.participant-chip.host{background:var(--accent-bg);color:var(--accent)}.demo-button{border:1px dashed var(--line);color:var(--ink-faint);background:0 0;border-radius:6px;align-self:flex-start;padding:.45rem .9rem;font-size:.8rem}.room{border:1px solid var(--card-line);background:var(--paper-raised);box-shadow:var(--shadow);border-radius:10px;flex-direction:column;gap:.7rem;padding:1.1rem 1.2rem;display:flex}.room-timer{color:var(--accent);background:var(--accent-bg);vertical-align:middle;border-radius:999px;margin-left:.6rem;padding:.15rem .65rem;font-size:.78rem;font-weight:700}.room-timer.closed{color:var(--ink-faint);background:var(--neutral-bg)}.tier-rules{flex-direction:column;gap:.5rem;display:flex}.tier-rules h2{font-size:1.05rem}.tier-rules ul{flex-direction:column;gap:.45rem;margin:0;padding:0;list-style:none;display:flex}.tier-rules li{color:var(--ink-soft);align-items:center;gap:.6rem;font-size:.88rem;display:flex}.capacity-row{align-items:center;gap:.5rem;display:flex}.capacity-row input{font:inherit;border:1px solid var(--line);background:var(--paper-raised);color:var(--ink);border-radius:8px;width:90px;padding:.6rem .8rem;font-size:.95rem}.checkbox-option{align-items:center;gap:.45rem;font-size:.95rem;font-weight:600;display:flex}.checkbox-option input{accent-color:var(--accent);width:1.15rem;height:1.15rem}.avatar-edit{align-items:center;gap:1rem;display:flex}.avatar-preview{background:var(--accent-bg);border:1px solid var(--line);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:76px;height:76px;font-size:2.2rem;display:flex;overflow:hidden}.avatar-preview img{object-fit:cover;width:100%;height:100%}.avatar-actions{flex-direction:column;align-items:flex-start;gap:.4rem;display:flex}.avatar-remove{color:var(--ink-faint);background:0 0;border:none;padding:0;font-size:.8rem;text-decoration:underline}.profile-preview{flex-direction:column;gap:.7rem;margin-top:.5rem;display:flex}.profile-preview h2{font-size:1.05rem}.preview-card{background:var(--paper-raised);border:1px solid var(--card-line);box-shadow:var(--shadow);border-radius:10px;flex-direction:column;gap:.6rem;padding:1rem 1.2rem;display:flex}.preview-head{align-items:center;gap:.7rem;display:flex}.preview-avatar{background:var(--accent-bg);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:52px;height:52px;font-size:1.9rem;display:flex;overflow:hidden}.preview-avatar img{object-fit:cover;width:100%;height:100%}.preview-name{font-size:1rem;font-weight:700}.preview-sub{color:var(--ink-faint);font-size:.82rem}.preview-bio{color:var(--ink-soft);font-size:.92rem;line-height:1.85}