/* 680pxの共通骨格。会話・入口・操作に必要な指定だけを収録。 */
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:#f4edeb}
body{margin:0;color:var(--ink);font-family:"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;-webkit-font-smoothing:antialiased}
button,a{font:inherit}
button{cursor:pointer}
[hidden]{display:none!important}
.app{width:min(calc(100% - 24px),680px);min-width:0;min-height:100vh;margin:auto;padding:10px 0 calc(150px + env(safe-area-inset-bottom))}
.hero{overflow:hidden;border-radius:24px;background:#fbf3ed;box-shadow:0 9px 26px #694b4b12}
.hero-link{display:block;width:100%;border:0;padding:0;background:transparent}
.hero-link img{display:block;width:100%;height:auto}
.intro{margin-top:19px}
.intro-row{display:grid;grid-template-columns:54px minmax(0,1fr);gap:12px;align-items:start}
.portrait{display:block;overflow:hidden;flex-shrink:0;background:#f9eeea;border:2px solid #fff;box-shadow:0 5px 16px #48353d18}
.portrait img{display:block;width:180%;max-width:none;height:auto;transform:translate(-22.222%,-3%)}
.intro-avatar{width:54px;height:54px;border-radius:16px}
.intro-bubble{border:1px solid var(--line);border-radius:19px;padding:15px 18px;background:#fffdfb}
.intro-bubble p{margin:0;font-size:15px;line-height:1.85}
.intro-bubble p+p{margin-top:6px}
.intro-start{margin:18px 0 0 66px}
.primary{width:100%;min-height:58px;border:0;border-radius:14px;padding:13px 17px;color:#fff;font-weight:700}
.panel{margin-top:18px;border:1px solid #fff;border-radius:25px;background:#fffdfbf2;box-shadow:0 18px 46px #694b4b12}
.content{padding:24px 18px}
.chat{display:grid;grid-template-columns:minmax(0,1fr);gap:13px;width:100%;min-width:0}
.chat>*{min-width:0;max-width:100%}
.row{display:grid;grid-template-columns:50px minmax(0,1fr);gap:10px;align-items:start}
.avatar{width:50px;height:50px;border-radius:15px}
.bubble{margin:0;width:100%;border:1px solid var(--line);border-radius:18px 18px 18px 5px;padding:15px 16px;background:#f6f0ed;font-size:15px;line-height:1.85;overflow-wrap:anywhere}
.row.question{display:block;margin-left:60px;scroll-margin-top:18px}
.row.question .bubble{font-size:16px;font-weight:700}
.user{justify-self:end;margin-left:auto;width:fit-content;max-width:88%;border-radius:18px 18px 5px 18px;padding:13px 15px;color:#fff;font-size:15px;font-weight:700;line-height:1.7;overflow-wrap:anywhere;scroll-margin-top:18px}
.options{display:grid;gap:9px;margin-left:60px}
.option{display:grid;grid-template-columns:28px minmax(0,1fr);align-items:center;gap:9px;width:100%;border:1px solid var(--line);border-radius:15px;padding:13px;color:var(--ink);background:#fff;text-align:left;font-size:15px;font-weight:600;line-height:1.65}
.option-number{display:grid;width:28px;height:28px;place-items:center;border-radius:50%;font-size:14px}
.thinking{margin:4px 0 4px 60px;font-size:13px;line-height:1.8}
.turn-tools{display:flex;justify-content:flex-end}
.text-button{border:0;padding:10px 2px;background:transparent;text-decoration:underline;text-underline-offset:4px;font-size:13px}
.secondary{border:1px solid var(--line);border-radius:13px;padding:13px;background:#fff;line-height:1.6}
.result-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:27px}
.result-actions button{text-align:center;font-size:13px}
.privacy{margin:20px 10px 0;color:#81747a;font-size:11px;line-height:1.8}
.totonoeru-link{position:fixed;z-index:20;right:max(12px,env(safe-area-inset-right));bottom:calc(72px + env(safe-area-inset-bottom));display:grid;min-width:116px;min-height:48px;place-items:center;border:1px solid #e5dce0;border-radius:15px;padding:10px 16px;color:#765463;background:#fffdfbf5;box-shadow:0 8px 24px #46343e1f;text-decoration:none;font-size:12px;font-weight:700}
button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #bb8297;outline-offset:3px}
[tabindex="-1"]:focus{outline:none}
@media(max-width:520px){
 .app{width:calc(100% - 18px);padding-top:8px}.hero{border-radius:20px}
 .intro{margin-top:16px}.intro-row{grid-template-columns:48px minmax(0,1fr);gap:10px}
 .intro-avatar{width:48px;height:48px;border-radius:14px}.intro-bubble{padding:14px 15px}.intro-bubble p{font-size:14px}
 .intro-start{margin:16px 0 0 58px}.primary{font-size:14px}
 .content{padding:20px 13px}.row{grid-template-columns:46px minmax(0,1fr);gap:8px}.avatar{width:46px;height:46px}
 .row.question,.options,.thinking{margin-left:54px}.bubble{padding:14px;font-size:14px}.row.question .bubble{font-size:15px}
 .option{grid-template-columns:26px minmax(0,1fr);padding:11px;font-size:14px}.option-number{width:26px;height:26px}
 .user{font-size:14px}.totonoeru-link{right:9px;min-width:108px;min-height:46px}
}
@media(max-width:390px){.intro-start{margin-left:0}.result-actions{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}