@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Noto+Sans+JP:wght@400;500;600;700;800&display=swap');
:root{--ink:#20233a;--muted:#777b91;--purple:#6458d8;--purple-dark:#5145c4;--line:#e8e8f1;--paper:#fff;--bg:#f7f7fb;--mint:#e9f8f1}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:'DM Sans','Noto Sans JP',sans-serif;font-size:14px}.shell{min-height:100vh;display:grid;grid-template-columns:248px minmax(0,1fr)}.sidebar{background:#fff;border-right:1px solid var(--line);padding:28px 18px;display:flex;flex-direction:column;min-height:100vh}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--ink);padding:0 7px 35px}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:14px;background:linear-gradient(145deg,#8075ed,#5046c5);color:#fff;font-weight:800;font-size:22px;box-shadow:0 8px 20px #665bd82b}.brand b{display:block;font-size:17px;letter-spacing:.2px}.brand small{display:block;color:var(--muted);font-size:10px;margin-top:3px}.nav{display:grid;gap:7px}.nav-item{border:0;background:transparent;text-align:left;padding:13px 14px;border-radius:11px;color:#666a82;font:inherit;cursor:pointer}.nav-item.active,.nav-item:hover{background:#f0efff;color:var(--purple-dark);font-weight:700}.sidebar-bottom{margin-top:auto;padding:14px 7px 0;border-top:1px solid var(--line);display:flex;align-items:center;gap:8px;font-size:11px;color:var(--muted)}.status-dot{width:7px;height:7px;background:#d0a54b;border-radius:50%}.main{max-width:1450px;width:100%;margin:0 auto;padding:34px clamp(18px,4vw,56px) 18px;display:flex;flex-direction:column;min-height:100vh}.topbar{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:28px}.eyebrow{font-size:10px;font-weight:700;letter-spacing:1.6px;color:#8a86c8;margin-bottom:8px}h1{font-size:clamp(21px,2.3vw,30px);letter-spacing:-.8px;margin:0;font-weight:800}h2{font-size:20px;margin:0;font-weight:800;letter-spacing:-.4px}.panel{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:clamp(18px,2.3vw,28px);box-shadow:0 8px 30px #2e2d5806}.auth-layout{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(300px,.8fr);gap:clamp(24px,6vw,85px);align-items:center;max-width:1050px;margin:auto;width:100%;padding:35px 0 70px}.hero-copy{padding:10px 0}.pill{display:inline-block;background:#eeedff;color:var(--purple-dark);padding:7px 12px;border-radius:99px;font-size:11px;font-weight:700}.hero-copy h2{font-size:clamp(32px,4vw,52px);line-height:1.45;margin:22px 0 14px;letter-spacing:-1.5px}.hero-copy h2 span{color:var(--purple)}.hero-copy p{color:var(--muted);font-size:14px;line-height:2;max-width:420px}.feature-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:28px}.feature-row span{border:1px solid var(--line);border-radius:9px;padding:9px 11px;font-size:11px;color:#666981;background:#fff}.auth-card{max-width:420px;width:100%;justify-self:end}.tabs{display:flex;background:#f5f5fa;padding:4px;border-radius:10px;margin-bottom:25px}.tab{flex:1;border:0;background:transparent;border-radius:8px;padding:10px;color:var(--muted);font:inherit;cursor:pointer}.tab.active{background:#fff;color:var(--ink);font-weight:700;box-shadow:0 2px 8px #29274a0c}label{display:block;font-weight:700;font-size:12px;margin:17px 0 8px}input,select,textarea{font:inherit;color:var(--ink);background:#fff;border:1px solid #dedfea;border-radius:9px;padding:12px;width:100%;outline:none;transition:border .15s,box-shadow .15s}input:focus,select:focus,textarea:focus{border-color:#9189eb;box-shadow:0 0 0 3px #8177e51b}textarea{resize:vertical;line-height:1.8}input::placeholder,textarea::placeholder{color:#b1b3c3}.primary,.secondary{border:0;border-radius:9px;padding:12px 16px;font:inherit;font-weight:700;cursor:pointer;transition:transform .15s,background .15s}.primary{background:var(--purple);color:white}.primary:hover{background:var(--purple-dark)}.primary:disabled{opacity:.45;cursor:not-allowed}.secondary{background:#f2f2f8;color:#62657c}.secondary:hover{background:#e9e8f4}.full{width:100%;margin-top:22px}.fine-print,.hint{font-size:10px;line-height:1.8;color:#9295a8}.form-message{min-height:17px;font-size:12px;color:var(--purple-dark);line-height:1.6}.form-message.error{color:#b93e53}.hidden{display:none!important}.view-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:24px}.sparkle{font-size:28px;color:#a49cf4}.result-icon{font-weight:800;font-size:21px;color:#a49cf4;background:#f2f0ff;padding:9px 12px;border-radius:10px}.button-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:18px}.hint{margin-left:auto}.result-actions .primary{min-width:110px}.result-panel input{margin-bottom:12px}.list-area{display:grid;gap:10px}.list-item{border:1px solid var(--line);border-radius:12px;padding:15px;display:flex;align-items:flex-start;gap:12px}.list-content{min-width:0;flex:1}.list-content b{display:block;margin-bottom:5px;overflow-wrap:anywhere}.list-content p{margin:0;color:var(--muted);font-size:12px;white-space:pre-wrap;overflow-wrap:anywhere;max-height:90px;overflow:hidden;line-height:1.7}.item-actions{display:flex;gap:6px;flex-wrap:wrap}.small-btn{border:0;border-radius:7px;background:#f0efff;color:var(--purple-dark);padding:7px 9px;font:inherit;font-size:11px;cursor:pointer}.small-btn.danger{background:#fff0f1;color:#b34757}.task-form{display:grid;grid-template-columns:minmax(0,1fr) 155px auto;gap:9px;margin-bottom:18px}.task-check{width:18px;height:18px;accent-color:var(--purple);margin-top:3px}.task-done .list-content b{text-decoration:line-through;color:#999}.empty{padding:26px;text-align:center;color:var(--muted);background:#fafaff;border-radius:12px;font-size:12px}.notice{padding:15px 18px;border-radius:12px;background:#fff6df;border:1px solid #f1dfae;margin-bottom:20px;color:#765d1e}.notice p{margin:6px 0 0;line-height:1.7;font-size:12px}footer{margin-top:auto;padding-top:40px;display:flex;justify-content:space-between;gap:12px;color:#a0a2b1;font-size:10px}footer span{text-align:right}#user-area{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:12px;overflow-wrap:anywhere}#user-area button{padding:9px 12px;font-size:11px}
@media(max-width:950px){.shell{grid-template-columns:1fr}.sidebar{min-height:0;padding:14px 18px;border-right:0;border-bottom:1px solid var(--line);flex-direction:row;align-items:center;gap:18px}.brand{padding:0}.brand-mark{width:37px;height:37px}.nav{display:flex;gap:3px;margin-left:auto}.nav-item{font-size:11px;padding:10px}.sidebar-bottom{display:none}.main{padding-top:25px}.auth-layout{padding:20px 0 45px;gap:25px}.view-grid{grid-template-columns:1fr 1fr}}@media(max-width:650px){.sidebar{display:block;padding:13px 14px}.brand{padding-bottom:13px}.nav{margin:8px 0 0;display:flex;overflow:auto}.nav-item{white-space:nowrap;padding:9px 11px}.main{padding:22px 14px 16px}.topbar{align-items:flex-start;margin-bottom:20px}.topbar h1{font-size:21px}.auth-layout{display:flex;flex-direction:column;align-items:stretch;padding:10px 0 30px;gap:20px}.hero-copy h2{font-size:34px;margin:14px 0 10px}.hero-copy p{margin-bottom:10px}.auth-card{justify-self:stretch;max-width:none}.view-grid{grid-template-columns:1fr}.panel{border-radius:14px;padding:18px}.task-form{grid-template-columns:1fr 1fr}.task-form input:first-child{grid-column:1/-1}.task-form button{grid-column:1/-1}.hint{margin-left:0;width:100%}footer{padding-top:28px;flex-direction:column}footer span{text-align:left}#user-area{max-width:45%;flex-wrap:wrap;justify-content:flex-end}}

/* SNS post workflow */
.social-intro{margin:-8px 0 12px;line-height:1.8}
.social-steps{display:grid;gap:12px;margin:8px 0 20px}
.social-step{padding:15px;border:1px solid var(--line);border-radius:12px;background:#fcfcff}
.social-step b{display:block;margin-bottom:5px;font-size:13px}
.social-step p{margin:0;color:var(--muted);font-size:12px;line-height:1.8}
.social-result-actions{margin-top:8px}
.social-result-actions .primary,.social-result-actions .secondary{font-size:12px}
@media(max-width:650px){.social-result-actions button{width:100%}}

/* SNS image upload and preview */
.image-hint{margin:7px 0 10px}.image-preview-wrap{display:flex;flex-direction:column;align-items:flex-start;gap:10px;margin:12px 0 16px;padding:12px;border:1px solid var(--line);border-radius:12px;background:#fcfcff}.image-preview-wrap img{display:block;max-width:100%;max-height:300px;object-fit:contain;border-radius:8px}.image-preview-wrap button{font-size:12px}

/* SNS output editor and action buttons */
#social-result-text{min-height:230px;white-space:pre-wrap}
#social-result-title{margin-bottom:4px}
.social-result-actions{margin-top:10px}
.social-result-actions button{flex:1;min-width:140px}
#social-result-message{margin-top:12px}
@media(max-width:650px){.social-result-actions button{width:100%;flex:1 1 100%}}

/* Photo preview refinements and test mode */
.image-preview-wrap{width:100%;box-sizing:border-box;align-items:stretch;gap:12px;padding:14px;background:linear-gradient(145deg,#f8f9ff,#fff);border-color:#dfe3f2}
.image-preview-heading{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap}
.image-preview-badge{display:inline-flex;align-items:center;border-radius:999px;background:#e8f4ee;color:#216b4b;padding:5px 10px;font-size:12px;font-weight:700}
.image-file-name{font-size:12px;color:var(--muted);overflow-wrap:anywhere}
.image-preview-wrap img{width:100%;max-height:340px;object-fit:contain;background:#f0f1f5;border-radius:10px}
.social-buttons{display:flex;flex-wrap:wrap;gap:10px}
.social-buttons button{flex:1 1 220px}
#social-test-btn{border:1px dashed #8c91a7}

/* KOTOHA AI スマートフォン操作改善 */
@media (max-width: 650px) {
  /* 横方向のはみ出しを防ぐ */
  html,
  body {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
  }

  body {
    -webkit-text-size-adjust: 100%;
  }

  /* 入力欄：iPhoneで入力時に画面が拡大するのを防ぐ */
  input,
  select,
  textarea {
    font-size: 16px;
    max-width: 100%;
    box-sizing: border-box;
  }

  /* ボタン：スマホで押しやすい高さに */
  button,
  .btn,
  a.button {
    min-height: 44px;
    box-sizing: border-box;
  }

  /* パネル内の要素を画面幅に合わせる */
  .panel,
  .card,
  .view-grid,
  .form-group {
    min-width: 0;
    max-width: 100%;
    box-sizing: border-box;
  }

  /* 長い文章やURLによる横はみ出しを防ぐ */
  p,
  label,
  .panel,
  .card,
  #user-area,
  #social-result-text {
    overflow-wrap: anywhere;
  }

  /* 写真プレビューを画面幅に収める */
  #social-image-preview,
  #social-image-preview img,
  img {
    max-width: 100%;
    height: auto;
  }

  /* SNS投稿関連のボタンを縦並びにする */
  #social-view button,
  #social-view .btn {
    width: 100%;
    margin-left: 0;
    margin-right: 0;
  }

  /* 横に長いメニューはスクロールして選べるようにする */
  nav {
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  /* 操作中にボタンが画面外へはみ出さないようにする */
  button,
  input,
  select,
  textarea {
    max-width: 100%;
  }
}