:root{--chat-navy:#07162f;--chat-blue:#0878e5;--chat-blue-deep:#0567c8;--chat-pale:#eef7ff;--chat-wash:#f8fbfe;--chat-line:#d9e6f2;--chat-muted:#66758b;--chat-soft:#91a0b5;color:var(--chat-navy);background:#fff;font-family:Noto Sans JP,Hiragino Kaku Gothic ProN,Hiragino Sans,Meiryo,sans-serif}*{box-sizing:border-box}html,body{width:100%;min-width:0;min-height:100%;margin:0}button,input,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline-offset:2px;outline:3px solid #0878e547}.chat-page{background:#fff;overflow:hidden auto}.chat-shell{background:#fff;grid-template-rows:78px minmax(calc(100dvh - 78px),auto);grid-template-columns:minmax(640px,1fr) 370px;width:100%;min-height:100dvh;display:grid}.chat-shell svg{fill:none;stroke:currentColor;stroke-width:1.8px;stroke-linecap:round;stroke-linejoin:round}.chat-topbar{border-bottom:1px solid var(--chat-line);background:#fffffff5;grid-area:1/1/auto/3;grid-template-columns:auto minmax(200px,340px) minmax(0,1fr);align-items:center;gap:clamp(18px,2vw,34px);min-width:0;padding:0 30px;display:grid}.chat-header-brand{flex:none;width:152px;display:block}.chat-header-brand img{width:152px;height:auto;display:block}.chat-header-search{background:#f7f9fb;border:1px solid #e1e8ef;border-radius:8px;grid-template-columns:24px minmax(0,1fr);align-items:center;gap:9px;height:42px;padding:0 14px;display:grid}.chat-header-search svg{color:#536276;width:21px;height:21px}.chat-header-search input{min-width:0;color:var(--chat-navy);background:0 0;border:0;outline:0;font-size:13px}.chat-header-search input::placeholder{color:#8a96a8}.chat-primary-nav{scrollbar-width:none;justify-content:flex-end;align-items:center;gap:clamp(16px,1.6vw,28px);min-width:0;display:flex;overflow-x:auto}.chat-primary-nav::-webkit-scrollbar{display:none}.chat-primary-nav a{color:#25272b;white-space:nowrap;flex:none;align-items:center;min-height:44px;padding:0 2px;font-size:13px;font-weight:700;line-height:1.4;text-decoration:none;display:inline-flex;position:relative}.chat-primary-nav a:not(.chat-primary-nav__consulting):after{content:"";transform-origin:50%;background:var(--chat-blue);height:2px;transition:transform .16s;position:absolute;bottom:4px;left:2px;right:2px;transform:scaleX(0)}.chat-primary-nav a:not(.chat-primary-nav__consulting):hover,.chat-primary-nav a:not(.chat-primary-nav__consulting):focus-visible,.chat-primary-nav a.is-current{color:var(--chat-blue-deep)}.chat-primary-nav a:not(.chat-primary-nav__consulting):hover:after,.chat-primary-nav a:not(.chat-primary-nav__consulting):focus-visible:after,.chat-primary-nav a.is-current:after{transform:scaleX(1)}.chat-primary-nav .chat-primary-nav__consulting{background:var(--color-conversion,#e64d17);color:#fff;border-radius:5px;min-height:44px;padding:0 18px;font-weight:900}.chat-primary-nav .chat-primary-nav__consulting:hover{background:var(--color-conversion-hover,#c43d10)}.chat-main{background:#fff;flex-direction:column;grid-area:2/1;min-width:0;min-height:calc(100dvh - 78px);display:flex}.chat-stage{background:radial-gradient(circle at 50% 20%,#e8f6ff8c,#0000 38%),#fff;flex:1 0 auto;justify-content:center;align-items:center;padding:20px 40px;display:flex}.chat-welcome{text-align:center;width:min(100%,836px);margin:auto}.chat-badge{min-height:42px;color:var(--chat-blue-deep);background:#e6f4ff;border-radius:999px;align-items:center;padding:0 26px;font-size:13px;font-weight:900;display:inline-flex}.chat-welcome h1{letter-spacing:-.045em;flex-wrap:wrap;justify-content:center;gap:0;margin:19px 0 0;font-size:clamp(30px,2.6vw,42px);font-weight:900;line-height:1.3}.chat-welcome__phrase{white-space:nowrap}.chat-welcome__line,.chat-welcome__phrase-s{display:inline-block}.chat-welcome>p{color:#55647a;margin:12px 0 0;font-size:17px;font-weight:500;line-height:1.8}.chat-starters{border:1px solid var(--chat-line);background:#fff;border-radius:14px;grid-template-columns:repeat(2,minmax(0,1fr));margin-top:38px;display:grid;overflow:hidden}.chat-starters button{border:0;border-right:1px solid var(--chat-line);border-bottom:1px solid var(--chat-line);min-width:0;min-height:112px;color:var(--chat-blue);text-align:left;cursor:pointer;background:#fff;border-radius:0;grid-template-columns:24px 48px minmax(0,1fr);align-items:center;gap:15px;padding:17px 20px;display:grid}.chat-starters button:nth-child(2n){border-right:0}.chat-starters button:nth-last-child(-n+2){border-bottom:0}.chat-starters button:hover{background:#f7fbff}.chat-starters button:focus-visible{outline-offset:-3px}.chat-starters button.is-selected{background:#eef7ff}.chat-starter-check{background:#fff;border:2px solid #c8d7e5;border-radius:6px;place-items:center;width:20px;height:20px;display:grid}.chat-starter-check:after{content:"";border-bottom:2px solid #fff;border-left:2px solid #fff;width:8px;height:4px;transition:transform .12s;transform:translateY(-1px)rotate(-45deg)scale(0)}.chat-starters button.is-selected .chat-starter-check{border-color:var(--chat-blue);background:var(--chat-blue)}.chat-starters button.is-selected .chat-starter-check:after{transform:translateY(-1px)rotate(-45deg)scale(1)}.chat-starters svg{stroke-width:2.4px;width:48px;height:48px}.chat-starters span{gap:6px;display:grid}.chat-starters strong{color:var(--chat-navy);font-size:15px;font-weight:900;line-height:1.45}.chat-starters small{color:var(--chat-muted);font-size:12px;line-height:1.45}.chat-conversation{align-self:flex-start;gap:18px;width:min(100%,820px);margin:auto;padding:6px 0;list-style:none;display:grid}.chat-conversation[hidden]{display:none}.chat-turn{align-items:flex-start;gap:11px;display:flex}.chat-turn--user{justify-content:flex-end}.chat-turn__avatar{background:var(--chat-blue);color:#fff;border-radius:10px;flex:none;place-items:center;width:36px;height:36px;font-size:12px;font-weight:900;display:grid}.chat-turn__bubble{border:1px solid var(--chat-line);white-space:pre-wrap;background:#fff;border-radius:5px 15px 15px;max-width:75%;padding:12px 15px;font-size:13px;line-height:1.8}.chat-turn--user .chat-turn__bubble{background:#eaf5ff;border-color:#b8dcfb;border-radius:15px 5px 15px 15px}.chat-turn--system .chat-turn__bubble{color:#7c2d12;background:#fff7ed;border-color:#fed7aa;max-width:100%}.chat-turn__sources{flex-wrap:wrap;gap:6px;margin-top:9px;display:flex}.chat-turn__sources a{border:1px solid var(--chat-line);color:var(--chat-blue-deep);border-radius:999px;padding:3px 9px;font-size:10px;text-decoration:none}.chat-composer-wrap{border-top:1px solid var(--chat-line);background:linear-gradient(#f5faff,#fff);flex:none;padding:12px 23px 10px}.chat-composer{background:#fff;border:1.5px solid #8dc9fa;border-radius:13px;grid-template-rows:1fr 30px;grid-template-columns:1fr 56px;column-gap:10px;height:108px;padding:14px 14px 10px 23px;display:grid;box-shadow:0 7px 24px #0878e50a}.chat-composer textarea{resize:none;min-width:0;color:var(--chat-navy);background:0 0;border:0;outline:0;font-size:13px;line-height:1.6}.chat-composer textarea::placeholder{color:#7b899d}.chat-attach{color:#47617e;cursor:pointer;grid-area:2/1;align-items:center;width:-moz-fit-content;width:fit-content;display:flex}.chat-attach input{clip:rect(0 0 0 0);width:1px;height:1px;position:absolute;overflow:hidden}.chat-attach svg{width:22px;height:22px}.chat-send{color:#fff;cursor:pointer;background:linear-gradient(145deg,#1d94f5,#187cde);border:0;border-radius:50%;grid-area:1/2/3;align-self:center;place-items:center;width:52px;height:52px;font-size:31px;font-weight:300;display:grid}.chat-send:hover{filter:brightness(.94)}.chat-send:disabled{cursor:wait;opacity:.55}.chat-compose-meta{color:#64748b;justify-content:space-between;align-items:center;min-height:24px;padding:8px 15px 0 27px;font-size:11px;display:flex}.chat-compose-meta [data-file-name]{color:var(--chat-blue-deep);text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.chat-rail{border-left:1px solid var(--chat-line);background:#fff;grid-area:2/2;padding:16px 18px}.chat-rail-card{border:1px solid var(--chat-line);background:#fff;border-radius:11px;padding:20px 18px}.chat-rail-card+.chat-rail-card{margin-top:18px}.chat-rail-title{justify-content:space-between;align-items:center;gap:12px;display:flex}.chat-rail-card h2{align-items:center;gap:12px;margin:0;font-size:16px;font-weight:900;display:flex}.chat-rail-card h2 svg{width:25px;height:25px;color:var(--chat-blue);stroke-width:2.2px}.chat-rail-title button{color:var(--chat-blue);cursor:pointer;background:0 0;border:0;padding:0;font-size:12px;font-weight:800}.chat-rail-card>p{color:var(--chat-muted);margin:10px 0 0;font-size:12px;line-height:1.7}.chat-conditions dl{margin:11px 0 0}.chat-conditions dl>div{border-top:1px solid #e9f0f6;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;min-height:47px;display:grid}.chat-conditions dt{align-items:center;gap:12px;font-size:13px;font-weight:800;display:flex}.chat-conditions dt span{place-items:center;width:20px;font-size:13px;display:inline-grid}.chat-conditions dd{color:#8996a8;text-overflow:ellipsis;white-space:nowrap;max-width:145px;margin:0;font-size:11px;overflow:hidden}.chat-resources{min-height:280px}.chat-resource-body{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:165px;display:flex}.chat-folder{color:#bdd2e8;stroke-width:2.8px;width:106px;height:88px}.chat-resource-body strong{color:#617087;margin-top:7px;font-size:14px}.chat-resource-body>span{color:#7d8ba0;margin-top:7px;font-size:12px;line-height:1.7}.chat-resource-list{gap:9px;width:100%;margin-top:18px;display:grid}.chat-resource-item{border:1px solid var(--chat-line);color:var(--chat-navy);text-align:left;border-radius:9px;grid-template-columns:40px minmax(0,1fr) auto;align-items:center;gap:10px;padding:9px;text-decoration:none;display:grid}.chat-resource-item:hover{background:var(--chat-pale);border-color:#8dc9fa}.chat-resource-item img{object-fit:contain;width:40px;height:40px}.chat-resource-item span{gap:2px;min-width:0;display:grid}.chat-resource-item strong{text-overflow:ellipsis;white-space:nowrap;margin:0;font-size:11px;overflow:hidden}.chat-resource-item small{color:var(--chat-muted);font-size:9px}.chat-resource-item b{color:var(--chat-blue);font-size:20px}@media (max-width:1280px){.chat-shell{grid-template-columns:minmax(570px,1fr) 320px}.chat-stage{padding-inline:40px}.chat-starters strong{font-size:14px}}@media (max-width:1120px){.chat-topbar{grid-template-columns:auto minmax(0,1fr)}.chat-header-search{display:none}}@media (max-width:1040px){.chat-shell{grid-template-columns:minmax(0,1fr)}.chat-topbar{grid-column:1}.chat-rail{display:none}}@media (max-width:760px){.chat-shell{grid-template-rows:64px minmax(calc(100dvh - 64px),auto);grid-template-columns:1fr}.chat-topbar{z-index:10;grid-column:1;grid-template-columns:auto minmax(0,1fr);gap:14px;height:64px;padding:0 10px 0 14px;position:sticky;top:0}.chat-header-brand,.chat-header-brand img{width:112px}.chat-primary-nav{justify-content:flex-start;gap:14px}.chat-primary-nav a{min-height:40px;font-size:12px}.chat-primary-nav .chat-primary-nav__consulting{min-height:40px;padding-inline:14px}.chat-main{grid-area:2/1;min-height:calc(100dvh - 64px)}.chat-stage{padding:18px 15px}.chat-welcome h1{margin-top:12px;font-size:27px}.chat-welcome>p{margin-top:8px;font-size:13px;line-height:1.7}.chat-badge{min-height:32px;padding-inline:16px;font-size:11px}.chat-starters{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:16px}.chat-starters button{grid-template-columns:minmax(0,1fr);align-content:start;justify-items:start;gap:6px;min-height:0;padding:12px;position:relative}.chat-starter-check{width:18px;height:18px;position:absolute;top:10px;right:10px}.chat-starters svg{width:32px;height:32px}.chat-starters strong{word-break:auto-phrase;font-size:13px;line-height:1.4}.chat-starters strong br,.chat-starters small{display:none}.chat-welcome{margin:0 auto auto}.chat-composer-wrap{flex-basis:160px;padding:12px 10px 8px;position:sticky;bottom:0}.chat-composer{height:100px;padding-left:14px}.chat-compose-meta{padding-inline:9px}.chat-turn__bubble{max-width:calc(100% - 45px)}}@media (prefers-reduced-motion:reduce){.chat-starters button{transition:none}}.chat-topbar-icons{display:none}@media (max-width:760px){.chat-topbar{grid-template-columns:auto minmax(0,1fr) auto;gap:6px}.chat-topbar-icons{justify-self:end;align-items:center;display:flex}.chat-topbar-icons a{width:44px;height:44px;color:var(--chat-navy);justify-content:center;align-items:center;display:inline-flex}.chat-topbar-icons svg{fill:none;stroke:currentColor;stroke-width:1.9px;stroke-linecap:round;width:24px;height:24px}.chat-topbar-icons a:focus-visible{outline:2px solid var(--chat-blue-deep);outline-offset:-2px}.chat-primary-nav{overflow:visible}.chat-primary-nav a:not(.chat-primary-nav__consulting){display:none}.chat-primary-nav .chat-primary-nav__consulting{min-height:36px;padding-inline:12px;font-size:12px}}