/* ============ AIはらだくんと作成する英語指導案 ============
   落ち着いた「文書・様式」風デザイン */
:root{
  --ink:#26272b;
  --paper:#f5f3ee;
  --card:#fffefb;
  --navy:#223a5e;
  --navy-dark:#1a2c47;
  --vermilion:#b5453c;
  --line:#d6d1c4;
  --line-dark:#a8a294;
  --muted:#6d6a61;
}
*{ box-sizing:border-box; }
html,body{ margin:0; padding:0; }
body{
  font-family:'Noto Sans JP','Hiragino Kaku Gothic ProN','Yu Gothic',sans-serif;
  background:var(--paper);
  color:var(--ink);
  line-height:1.75;
  font-size:15px;
}

/* ---- header ---- */
.site-header{
  background:var(--card);
  border-bottom:3px double var(--line-dark);
  text-align:center;
  padding:38px 16px 24px;
}
.overline{
  margin:0 0 10px; font-size:.74rem; letter-spacing:.18em; color:var(--muted);
}
.site-title{
  margin:0; font-family:'Shippori Mincho','Noto Serif JP',serif;
  font-size:1.85rem; font-weight:700; letter-spacing:.06em; color:var(--navy);
}
.site-title a{ color:inherit; text-decoration:none; }
.site-title a:hover{ color:var(--vermilion); }
.site-sub{
  margin:14px auto 0; font-size:.85rem; color:var(--ink); max-width:700px;
}
.ref-badge{
  margin:16px auto 0; max-width:660px;
  border:1px solid var(--vermilion); color:var(--vermilion);
  border-radius:3px; padding:7px 14px; font-size:.78rem; background:#fdf7f5;
}
.top-nav{ margin-top:18px; display:flex; gap:26px; justify-content:center; flex-wrap:wrap; }
.nav-link{
  color:var(--navy); text-decoration:none; font-size:.88rem; font-weight:500;
  padding-bottom:2px; border-bottom:1px solid var(--line-dark);
}
.nav-link:hover{ color:var(--vermilion); border-color:var(--vermilion); }

/* ---- layout ---- */
.wrap{ max-width:860px; margin:0 auto; padding:22px 14px 40px; }
.card{
  background:var(--card); border:1px solid var(--line); border-radius:3px;
  padding:26px 24px; margin:20px 0;
}
.card-lead{ font-size:.88rem; margin:0 0 12px; }

/* ---- section titles ---- */
.sec-title{
  font-family:'Shippori Mincho','Noto Serif JP',serif;
  font-size:1.08rem; font-weight:700; color:var(--navy);
  margin:26px 0 12px; padding-bottom:6px;
  border-bottom:1px solid var(--line);
  display:flex; align-items:center; gap:10px;
}
.sec-title:first-of-type{ margin-top:0; }
.sec-num{
  display:inline-flex; align-items:center; justify-content:center;
  min-width:26px; height:26px; padding:0 4px;
  background:var(--navy); color:#fff; font-size:.85rem; border-radius:2px;
  font-family:'Noto Sans JP',sans-serif; font-weight:700;
}

/* ---- form ---- */
.grid3{ display:grid; grid-template-columns:1fr 1fr 1fr; gap:8px 14px; }
@media(max-width:680px){ .grid3{ grid-template-columns:1fr 1fr; } }
@media(max-width:460px){ .grid3{ grid-template-columns:1fr; } }
.field{ display:block; margin:10px 0; }
.label{ display:block; font-size:.8rem; font-weight:700; color:#44453f; margin-bottom:4px; }
.field-help{ font-size:.76rem; color:var(--muted); margin:2px 0 8px; }
.req{ color:var(--vermilion); font-style:normal; font-size:.72rem; margin-left:4px; }
select,input[type=text],input[type=number],textarea{
  width:100%; padding:9px 10px; border:1px solid var(--line-dark); border-radius:3px;
  font-family:inherit; font-size:.92rem; background:#fff; color:var(--ink);
}
textarea{ resize:vertical; }
select:focus,input:focus,textarea:focus{ outline:2px solid #b9c6d8; border-color:var(--navy); }

.chips{ display:flex; flex-wrap:wrap; gap:8px; }
.chip{
  display:inline-flex; align-items:center; gap:6px;
  border:1px solid var(--line-dark); border-radius:3px; padding:5px 12px;
  font-size:.8rem; background:#fff; cursor:pointer; user-select:none;
}
.chip:has(input:checked){ background:var(--navy); border-color:var(--navy); color:#fff; }
.chip input{ accent-color:var(--vermilion); }

/* ---- 時間配分プランナー ---- */
.planner-row{
  display:grid; grid-template-columns:90px 1fr 34px; gap:8px; margin:6px 0;
  align-items:center;
}
.planner-row .min-input{ text-align:right; }
.planner-row .del-btn{
  border:1px solid var(--line-dark); background:#fff; color:var(--muted);
  border-radius:3px; height:34px; cursor:pointer; font-size:1rem; line-height:1;
}
.planner-row .del-btn:hover{ color:var(--vermilion); border-color:var(--vermilion); }
.planner-foot{ display:flex; align-items:center; gap:14px; margin-top:8px; }
.btn-small{
  border:1px solid var(--navy); background:#fff; color:var(--navy);
  border-radius:3px; padding:6px 14px; font-size:.82rem; font-family:inherit;
  font-weight:700; cursor:pointer;
}
.btn-small:hover{ background:var(--navy); color:#fff; }
.planner-sum{ font-size:.82rem; color:var(--muted); }
.planner-sum.over{ color:var(--vermilion); font-weight:700; }

/* ---- 写真アップロード ---- */
.photo-drop{
  border:2px dashed var(--line-dark); border-radius:3px; background:#fff;
  padding:16px; text-align:center; cursor:pointer;
}
.photo-drop:hover,.photo-drop.dragover{ border-color:var(--navy); background:#f6f8fb; }
.photo-drop p{ margin:2px 0; font-size:.86rem; }
.photo-note{ font-size:.72rem !important; color:var(--muted); }
.photo-preview{ display:flex; gap:10px; margin-top:10px; flex-wrap:wrap; }
.photo-thumb{
  position:relative; width:110px; height:110px; border:1px solid var(--line-dark);
  border-radius:3px; overflow:hidden; background:#fff;
}
.photo-thumb img{ width:100%; height:100%; object-fit:cover; }
.photo-thumb .rm{
  position:absolute; top:2px; right:2px; width:22px; height:22px;
  border:none; border-radius:50%; background:rgba(0,0,0,.65); color:#fff;
  cursor:pointer; font-size:.8rem; line-height:1;
}

/* ---- buttons ---- */
.btn-primary{
  display:block; width:100%; margin-top:20px;
  background:var(--navy); color:#fff;
  font-family:inherit; font-size:1rem; font-weight:700; letter-spacing:.14em;
  border:none; border-radius:3px; padding:14px; cursor:pointer;
}
.btn-primary:hover{ background:var(--navy-dark); }
.btn-primary:disabled{ opacity:.55; cursor:wait; }
.btn-secondary{
  display:inline-block; background:#fff; color:var(--navy);
  border:1px solid var(--navy); border-radius:3px;
  padding:10px 20px; font-weight:700; text-decoration:none; font-size:.9rem;
}
.btn-secondary:hover{ background:var(--navy); color:#fff; }
.mini-note{ font-size:.75rem; color:var(--muted); margin-top:10px; }
.quota-line{ font-size:.78rem; color:var(--muted); text-align:right; margin-bottom:4px; }
.quota-line .quota-zero{ color:var(--vermilion); font-weight:700; }
.status{
  margin-top:12px; padding:10px 14px; border-radius:3px;
  background:#eef2f7; border:1px solid #c6d0dd; font-size:.85rem;
}
.status.err{ background:#fbf1f0; border-color:#e0b7b3; color:#8f322b; }

/* ---- toolbar ---- */
.result-area{ margin:22px 0; }
.toolbar{ display:flex; flex-wrap:wrap; gap:8px; margin-bottom:12px; }
.btn-tool{
  font-family:inherit; font-size:.82rem; font-weight:500;
  background:#fff; color:var(--ink); border:1px solid var(--line-dark);
  border-radius:3px; padding:8px 14px; cursor:pointer;
}
.btn-tool:hover{ border-color:var(--navy); color:var(--navy); }

/* ---- A4 sheet ---- */
.sheet{
  background:#fff; border:1px solid var(--line);
  box-shadow:0 2px 10px rgba(38,39,43,.09);
  max-width:210mm; margin:0 auto;
  padding:18mm 16mm;
  font-family:'Noto Serif JP','Yu Mincho',serif;
  font-size:10.5pt; line-height:1.75; color:#111;
}
.sheet h1{ font-size:14pt; text-align:center; margin:0 0 14px; letter-spacing:.12em; }
.sheet h2{ font-size:11.5pt; margin:16px 0 6px; padding-left:6px; border-left:4px solid var(--navy); }
.sheet h3{ font-size:10.5pt; margin:12px 0 4px; }
.sheet p{ margin:5px 0; }
.sheet ul,.sheet ol{ margin:4px 0 8px; padding-left:1.6em; }
.sheet table{ border-collapse:collapse; width:100%; margin:8px 0 12px; font-size:9.5pt; }
.sheet th,.sheet td{ border:1px solid #333; padding:5px 7px; vertical-align:top; text-align:left; }
.sheet th{ background:#f0f0eb; font-weight:700; text-align:center; }
.sheet hr{ border:none; border-top:1px solid #999; margin:14px 0; }
.sheet .ref-note{
  margin-top:16px; padding-top:8px; border-top:1px dashed #999;
  font-size:8.5pt; color:#555;
}

/* ---- 相談出力 ---- */
.soudan-out{
  margin-top:14px; background:#fff; border:1px solid var(--line);
  border-left:4px solid var(--navy);
  border-radius:3px; padding:14px 16px; font-size:.9rem;
}
.soudan-out h2,.soudan-out h3{ font-size:1rem; color:var(--navy); margin:10px 0 4px; }
.soudan-out table{ border-collapse:collapse; width:100%; font-size:.82rem; margin:8px 0; }
.soudan-out th,.soudan-out td{ border:1px solid var(--line-dark); padding:5px 8px; text-align:left; }
.soudan-out th{ background:#f0efe9; }

/* ---- footer ---- */
.site-footer{
  text-align:center; font-size:.82rem; color:var(--muted); padding:26px 14px 40px;
  border-top:1px solid var(--line); margin-top:10px;
}
.site-footer a{ color:var(--navy); font-weight:700; text-decoration:none; }
.footer-note{ font-size:.72rem; max-width:640px; margin:6px auto 0; }

/* ---- 知恵袋ページ ---- */
.chie-body h2.chie-sec{
  font-family:'Shippori Mincho','Noto Serif JP',serif;
  font-size:1.12rem; color:var(--navy); border-left:5px solid var(--navy);
  padding-left:10px; margin:32px 0 10px;
}
.tip{
  background:var(--card); border:1px solid var(--line); border-left:4px solid var(--line-dark);
  border-radius:3px; padding:14px 16px; margin:12px 0; font-size:.9rem;
}
.tip h3{ margin:0 0 6px; font-size:.98rem; color:var(--navy); }
.tip table{ border-collapse:collapse; width:100%; font-size:.82rem; margin:8px 0 2px; }
.tip th,.tip td{ border:1px solid var(--line-dark); padding:5px 8px; text-align:left; vertical-align:top; }
.tip th{ background:#f0efe9; }
.tip code{ background:#f0efe9; padding:1px 5px; border-radius:2px; font-size:.85em; }
.notice{
  margin:14px auto 0; max-width:680px;
  border:1px solid var(--vermilion); color:var(--vermilion); background:#fdf7f5;
  border-radius:3px; padding:8px 14px; font-size:.78rem;
}

/* ---- print ---- */
@media print{
  @page{ size:A4; margin:14mm 12mm; }
  body{ background:#fff; }
  .no-print{ display:none !important; }
  .wrap{ max-width:none; padding:0; margin:0; }
  .result-area{ margin:0; }
  .sheet{
    box-shadow:none; border:none;
    max-width:none; padding:0; margin:0;
  }
  .sheet table{ page-break-inside:auto; }
  .sheet tr{ page-break-inside:avoid; }
}

/* ---- ページ先頭へ戻るボタン ---- */
.to-top{
  position:fixed; right:18px; bottom:18px; z-index:50;
  width:46px; height:46px; border-radius:50%;
  border:1px solid var(--navy); background:var(--navy); color:#fff;
  font-size:.9rem; line-height:1; cursor:pointer;
  box-shadow:0 3px 10px rgba(38,39,43,.25);
  opacity:0; visibility:hidden; transform:translateY(8px);
  transition:opacity .25s, transform .25s, visibility .25s;
}
.to-top.show{ opacity:.92; visibility:visible; transform:none; }
.to-top:hover{ opacity:1; background:var(--navy-dark); }
@media print{ .to-top{ display:none !important; } }