*,*::before,*::after{box-sizing:border-box}
:root{--bg:#f6fafb;--surface:#fff;--teal:#07949a;--teal-dark:#087b82;--teal-soft:#e9f7f7;--cyan:#70cdd0;--ink:#152b39;--muted:#607785;--line:#dbe7eb;--blue:#1f78ee;--shadow:0 14px 38px rgba(25,71,84,.1),0 2px 10px rgba(25,71,84,.05);--font:"Noto Sans JP",sans-serif}
html{scroll-behavior:smooth}body{margin:0;min-height:100vh;background:radial-gradient(circle at 95% 85%,rgba(97,203,203,.16),transparent 25rem),linear-gradient(180deg,#f9fcfd 0,#f4f9fa 100%);color:var(--ink);font-family:var(--font);-webkit-font-smoothing:antialiased}button,textarea{font:inherit}.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(16px)}.header-inner{width:min(1480px,calc(100% - 64px));height:96px;margin:auto;display:flex;align-items:center;justify-content:space-between}.brand-group,.brand,.header-actions,.privacy-label,.home-button{display:flex;align-items:center}.brand{gap:12px;text-decoration:none;color:inherit}.brand-eye{width:62px;color:var(--teal)}.brand-eye svg{width:100%;fill:currentColor}.brand-copy{display:flex;flex-direction:column;line-height:1}.brand-copy strong{font-size:2rem;letter-spacing:-.04em}.brand-copy small{margin-top:8px;color:var(--teal-dark);font-size:.68rem;letter-spacing:.12em}.header-divider{width:1px;height:43px;margin:0 26px;background:#cbdadd}.page-title{font-size:1.45rem;font-weight:700;color:var(--teal)}.header-actions{gap:28px}.privacy-label{gap:8px;color:var(--muted);font-size:.85rem}.privacy-label svg,.home-button svg{width:22px;fill:currentColor}.home-button{gap:9px;padding:12px 19px;border:1.5px solid var(--teal);border-radius:999px;color:var(--teal-dark);font-weight:600;text-decoration:none;background:#fff}.home-button:hover{background:var(--teal-soft)}
.app-shell{width:min(1480px,calc(100% - 64px));margin:32px auto 20px;display:grid;grid-template-columns:395px minmax(0,1fr);gap:30px;align-items:stretch}.support-panel,.chat-panel{background:rgba(255,255,255,.96);border:1px solid #e2ecef;border-radius:28px;box-shadow:var(--shadow)}.support-panel{padding:28px 26px 24px}.support-intro{text-align:center;padding-bottom:26px}.bot-illustration{width:92px;height:92px;margin:0 auto 16px;color:#fff}.bot-illustration svg{width:100%;height:100%;fill:none;stroke:#fff;stroke-width:4;background:linear-gradient(145deg,#79d8d5,#008d95);border-radius:50%;padding:10px;filter:drop-shadow(0 10px 14px rgba(7,148,154,.2))}.bot-illustration svg circle:first-child{fill:url(#none)}.support-intro h1{margin:0;color:var(--teal-dark);font-size:1.35rem}.support-intro p{margin:12px auto 0;max-width:270px;color:var(--muted);font-size:.9rem;line-height:1.8}.question-section h2,.usage-card h2{margin:0 0 14px;font-size:.96rem}.bulb-icon{display:inline-grid;place-items:center;width:30px;height:30px;margin-right:8px;border-radius:50%;background:#e8f6ff;color:var(--blue)}.question-list{display:grid;gap:10px}.question-list button{width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;text-align:left;border:1px solid var(--line);border-radius:14px;background:#fff;color:var(--ink);box-shadow:0 3px 10px rgba(28,67,78,.06);cursor:pointer}.question-list button span{font-size:.83rem;line-height:1.5}.question-list button b{color:var(--teal);font-size:1.5rem;font-weight:400}.question-list button:hover{border-color:#91d6d5;background:#fbffff;transform:translateY(-1px)}.usage-card{margin-top:22px;padding:18px;border-radius:17px;background:linear-gradient(145deg,#e7f7f7,#f1fbfb)}.usage-card h2{display:flex;align-items:center;color:var(--teal-dark)}.usage-card h2 svg{width:23px;margin-right:9px;fill:var(--teal)}.usage-card ul{margin:0;padding:0;list-style:none}.usage-card li{position:relative;margin:10px 0;padding-left:24px;color:#334c59;font-size:.75rem;line-height:1.65}.usage-card li::before{content:"✓";position:absolute;left:0;color:var(--teal);font-weight:700}
.chat-panel{min-width:0;display:flex;flex-direction:column;overflow:hidden}.chat-header{height:91px;padding:18px 28px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.assistant-profile{display:flex;align-items:center;gap:14px}.assistant-avatar{width:54px;height:54px;color:var(--teal);border-radius:50%;background:var(--teal-soft);display:grid;place-items:center}.assistant-avatar svg{width:43px;fill:currentColor}.assistant-profile h2{margin:0;font-size:1.2rem}.assistant-profile p{margin:5px 0 0;color:var(--muted);font-size:.76rem}.status-dot{display:inline-block;width:9px;height:9px;margin-right:7px;border-radius:50%;background:#18bd72}.reset-button{display:flex;align-items:center;gap:7px;padding:10px 16px;border:1px solid var(--teal);border-radius:999px;background:#fff;color:var(--teal-dark);font-size:.78rem;cursor:pointer}.reset-button svg{width:18px;fill:currentColor}.reset-button:hover{background:var(--teal-soft)}.reset-button:disabled{opacity:.45;cursor:not-allowed}.chat-messages{height:570px;overflow-y:auto;padding:30px 28px 18px;scroll-behavior:smooth;background:linear-gradient(180deg,#fff,#fdfefe)}.chat-messages::-webkit-scrollbar{width:5px}.chat-messages::-webkit-scrollbar-thumb{background:#d5e4e7;border-radius:10px}.message{display:flex;align-items:flex-start;gap:12px;margin-bottom:24px;animation:messageIn .22s ease both}.message.user{justify-content:flex-end}.message-avatar{width:45px;height:45px;flex:0 0 45px;border-radius:50%;display:grid;place-items:center}.eye-avatar{color:var(--teal);background:var(--teal-soft)}.eye-avatar svg{width:32px;fill:currentColor}.user-avatar{color:#fff;background:linear-gradient(145deg,#6dd2cf,#16a4ab);font-weight:700}.message-column{max-width:min(68%,620px)}.message.user .message-column{display:flex;flex-direction:column;align-items:flex-end}.message-bubble{padding:17px 21px;border-radius:20px 20px 20px 6px;background:linear-gradient(135deg,#edf8f8,#e7f5f5);font-size:.91rem;line-height:1.9;word-break:break-word}.message-bubble p{margin:0}.message.user .message-bubble{color:#fff;border-radius:20px 20px 6px 20px;background:linear-gradient(145deg,#0ba5a9,#087f87);box-shadow:0 7px 18px rgba(7,148,154,.2)}.message.error .message-bubble{color:#a83246;background:#fff0f2}.message time{display:block;margin-top:8px;padding:0 8px;color:var(--muted);font-size:.69rem}.message.user time span{color:var(--teal)}.typing-message{margin-bottom:0}.message-bubble.typing{display:flex;gap:6px;padding:18px 21px}.typing i{width:7px;height:7px;border-radius:50%;background:#7d999d;animation:typing 1.2s infinite}.typing i:nth-child(2){animation-delay:.16s}.typing i:nth-child(3){animation-delay:.32s}.medical-notice{margin:0 28px 18px;padding:13px 18px;display:flex;align-items:center;gap:12px;border:1px dashed #78cfd0;border-radius:14px;color:var(--teal-dark);background:#f9ffff}.medical-notice>svg{width:25px;flex:0 0 25px;fill:var(--blue)}.medical-notice p{margin:0;flex:1;font-size:.78rem;line-height:1.6}.medical-notice button{border:0;background:transparent;color:var(--teal);font-size:1.35rem;cursor:pointer}.chat-form{padding:0 28px 22px}.input-area{padding:14px 16px 12px;border:1.5px solid #cddde2;border-radius:17px;background:#fff;transition:.2s}.input-area:focus-within{border-color:var(--teal);box-shadow:0 0 0 4px rgba(7,148,154,.1)}#userInput{width:100%;min-height:55px;max-height:150px;padding:0;border:0;outline:0;resize:none;color:var(--ink);font-size:16px;line-height:1.65;background:transparent}#userInput::placeholder{color:#8297a2}.input-toolbar{margin-top:7px;display:flex;align-items:center;justify-content:space-between;gap:16px}.input-note{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:.69rem}.input-note svg{width:21px;fill:#658391}.send-group{display:flex;align-items:center;gap:20px;color:var(--muted);font-size:.75rem}.send-group button{height:46px;min-width:130px;padding:0 20px;display:flex;align-items:center;justify-content:center;gap:9px;border:0;border-radius:13px;color:#fff;background:linear-gradient(145deg,#5ac8cb,#109da4);font-weight:700;cursor:pointer}.send-group button svg{width:21px;fill:currentColor}.send-group button:disabled{opacity:.4;cursor:not-allowed}.form-status{min-height:1.2em;margin:7px 3px 0;color:var(--muted);font-size:.7rem}.site-footer{display:flex;align-items:center;justify-content:center;gap:7px;padding:0 20px 25px;color:var(--muted);font-size:.69rem}.site-footer svg{width:15px;fill:currentColor}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@keyframes typing{0%,60%,100%{opacity:.35;transform:translateY(0)}30%{opacity:1;transform:translateY(-4px)}}@keyframes messageIn{from{opacity:0;transform:translateY(7px)}to{opacity:1;transform:none}}
@media(max-width:1050px){.header-inner,.app-shell{width:min(920px,calc(100% - 36px))}.privacy-label{display:none}.app-shell{grid-template-columns:310px minmax(0,1fr)}.support-panel{padding:24px 20px}.chat-messages{height:550px}.message-column{max-width:76%}}
@media(max-width:760px){.site-header{position:relative}.header-inner{width:calc(100% - 28px);height:72px}.brand-eye{width:43px}.brand-copy strong{font-size:1.25rem}.brand-copy small,.header-divider,.page-title,.privacy-label{display:none}.home-button{padding:9px 12px;font-size:.73rem}.home-button svg{width:18px}.app-shell{width:100%;margin:16px 0 0;display:block}.support-panel{margin:0 14px 16px;padding:20px;border-radius:22px}.support-intro{display:grid;grid-template-columns:64px 1fr;text-align:left;column-gap:14px;padding-bottom:16px}.bot-illustration{grid-row:1/3;width:64px;height:64px;margin:0}.support-intro h1{align-self:end;font-size:1.02rem}.support-intro p{align-self:start;margin:5px 0 0;font-size:.76rem;line-height:1.6}.question-section{display:none}.usage-card{margin-top:0;padding:13px 15px}.usage-card h2{margin-bottom:7px;font-size:.82rem}.usage-card ul{display:none}.chat-panel{border-left:0;border-right:0;border-bottom:0;border-radius:24px 24px 0 0}.chat-header{height:75px;padding:13px 16px}.assistant-avatar{width:45px;height:45px}.assistant-profile h2{font-size:1rem}.reset-button{padding:8px 10px;font-size:0}.reset-button svg{width:20px}.chat-messages{height:calc(100dvh - 360px);min-height:390px;padding:22px 14px 10px}.message{gap:8px;margin-bottom:20px}.message-avatar{width:34px;height:34px;flex-basis:34px}.eye-avatar svg{width:24px}.message-column{max-width:84%}.message-bubble{padding:13px 15px;font-size:.82rem;line-height:1.75}.medical-notice{margin:0 14px 12px;padding:10px 12px}.medical-notice p{font-size:.7rem}.chat-form{position:sticky;bottom:0;padding:0 14px calc(14px + env(safe-area-inset-bottom));background:#fff}.input-area{padding:11px 12px}.input-note{display:none}.input-toolbar{justify-content:flex-end}.send-group{width:100%;justify-content:space-between}.send-group button{min-width:48px;width:48px;height:44px;padding:0}.send-group button span{display:none}.site-footer{display:none}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.01ms!important}}