/* 情報経営診断 共通スタイル
   方針：帳票と方眼紙。紙の上で考え、画面で活かす。
   強調は「赤鉛筆」の一色だけ。優先して見直す項目にしか使わない。 */

:root {
  --paper: #f7f8f6;
  --sheet: #ffffff;
  --ink: #1e2530;
  --muted: #5b6573;
  --ai: #23466e;          /* 藍：主色 */
  --ai-soft: #e6edf4;
  --grid: #dce5ec;        /* 方眼の罫 */
  --grid-strong: #b9cad8;
  --pencil: #b8322c;      /* 赤鉛筆：優先項目だけ */
  --font-body: "BIZ UDPGothic", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  --font-head: "Shippori Mincho B1", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --measure: 40rem;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.8;
}
img, svg { max-width: 100%; }
a { color: var(--ai); }
:focus-visible { outline: 3px solid var(--ai); outline-offset: 3px; }

.wrap { max-width: 56rem; margin: 0 auto; padding: 0 1.25rem; }
.measure { max-width: var(--measure); }

/* ヘッダー */
.site-head { border-bottom: 1px solid var(--grid-strong); background: var(--sheet); }
.site-head .wrap { display: flex; align-items: baseline; gap: .75rem; padding-top: .9rem; padding-bottom: .9rem; }
.brand { font-family: var(--font-head); font-weight: 700; font-size: 1.05rem; color: var(--ink); text-decoration: none; }
.brand-sub { color: var(--muted); font-size: .85rem; }

h1, h2, h3 { font-family: var(--font-head); font-weight: 700; line-height: 1.4; margin: 0; }
h1 { font-size: clamp(1.75rem, 5vw, 2.6rem); letter-spacing: .01em; }
h2 { font-size: clamp(1.3rem, 3.4vw, 1.7rem); }
h3 { font-size: 1.1rem; }
p { margin: 0 0 1em; }

section { padding: 3.5rem 0; }
section + section { border-top: 1px solid var(--grid); }
.lead { font-size: 1.08rem; }
.note { color: var(--muted); font-size: .88rem; }

/* 方眼紙 */
.graph {
  background-color: var(--sheet);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 24px 24px;
  background-position: -1px -1px;
}

/* ボタン */
.btn {
  display: inline-block;
  font: inherit; font-weight: 700;
  background: var(--ai); color: #fff;
  border: 2px solid var(--ai); border-radius: 4px;
  padding: .85rem 1.6rem;
  text-decoration: none; cursor: pointer;
}
.btn:hover { background: #1a3656; border-color: #1a3656; }
.btn-quiet { background: transparent; color: var(--ai); }
.btn-quiet:hover { background: var(--ai-soft); }
.btn[disabled] { opacity: .6; cursor: progress; }

/* ===== LP ===== */
.hero { padding: 3rem 0 3.5rem; }
.form-sheet {
  border: 1px solid var(--grid-strong);
  padding: clamp(1.25rem, 4vw, 2.5rem);
  max-width: 44rem;
  position: relative;
}
.nw { display: inline-block; }
.choices { list-style: none; margin: 1.5rem 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr)); gap: .6rem 1.25rem; }
.choices li { display: flex; align-items: center; gap: .6rem; font-size: 1.05rem; }
.box { width: 1.15rem; height: 1.15rem; border: 2px solid var(--ink); background: var(--sheet); flex: none; }
.answer-line { position: relative; display: inline-block; font-weight: 700; }
.answer-line svg { position: absolute; left: -2%; top: 78%; width: 104%; height: 45%; overflow: visible; pointer-events: none; }
.answer-line path { fill: none; stroke: var(--pencil); stroke-width: 2.4; stroke-linecap: round; stroke-dasharray: 420; stroke-dashoffset: 420; animation: draw 1.1s .6s ease-out forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }
@media (prefers-reduced-motion: reduce) { .answer-line path { animation: none; stroke-dashoffset: 0; } }
.hero-cta { margin-top: 1.75rem; display: flex; flex-wrap: wrap; align-items: center; gap: .5rem 1.25rem; }

.defs { display: grid; grid-template-columns: 7rem 1fr; gap: 1.1rem 1.5rem; margin: 1.75rem 0 1rem; }
.defs dt { font-family: var(--font-head); font-weight: 700; font-size: 1.15rem; color: var(--ai); border-top: 2px solid var(--ai); padding-top: .4rem; }
.defs dd { margin: 0; border-top: 1px solid var(--grid-strong); padding-top: .5rem; }
@media (max-width: 30rem) { .defs { grid-template-columns: 1fr; gap: .2rem; } .defs dd { border-top: 0; padding-top: 0; margin-bottom: .9rem; } }

.steps { counter-reset: step; list-style: none; padding: 0; margin: 1.5rem 0 0; }
.steps li { counter-increment: step; display: grid; grid-template-columns: 2.5rem 1fr; gap: 1rem; padding: 1rem 0; border-top: 1px solid var(--grid); }
.steps li::before { content: counter(step); font-family: var(--font-head); font-size: 1.6rem; font-weight: 700; color: var(--ai); line-height: 1.2; }
.steps strong { display: block; }

.stance { border-left: 3px solid var(--ai); padding: .25rem 0 .25rem 1.25rem; font-family: var(--font-head); font-size: 1.2rem; line-height: 1.7; margin: 1.5rem 0; }

.site-foot { border-top: 1px solid var(--grid-strong); background: var(--sheet); padding: 1.75rem 0; font-size: .85rem; color: var(--muted); }
.site-foot a { color: var(--muted); }

/* ===== 診断ページ ===== */
.progress { position: sticky; top: 0; z-index: 10; background: var(--sheet); border-bottom: 1px solid var(--grid-strong); }
.progress .wrap { display: flex; align-items: center; gap: 1rem; padding-top: .6rem; padding-bottom: .6rem; font-size: .9rem; }
.progress-bar { flex: 1; height: 6px; background: var(--grid); border-radius: 3px; overflow: hidden; }
.progress-bar span { display: block; height: 100%; width: 0; background: var(--ai); transition: width .2s; }

.field { margin: 0 0 1.25rem; }
.field label { display: block; font-weight: 700; margin-bottom: .35rem; }
.field input, .field select {
  font: inherit; width: 100%; max-width: 26rem;
  padding: .65rem .75rem; border: 1px solid var(--grid-strong); border-radius: 4px; background: var(--sheet); color: var(--ink);
}
.opt { color: var(--muted); font-weight: 400; font-size: .85rem; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.cap-head { margin: 3rem 0 .5rem; padding-top: 1rem; border-top: 2px solid var(--ai); }
.cap-head p { color: var(--muted); margin: .25rem 0 0; }

fieldset.q { border: 0; margin: 0; padding: 1.5rem 0; border-bottom: 1px solid var(--grid); }
fieldset.q legend { font-weight: 700; font-size: 1.05rem; padding: 0; margin-bottom: .75rem; }
.q-id { color: var(--ai); margin-right: .4rem; }
.q.missing legend { color: var(--pencil); }
.q.missing legend::after { content: "　未回答です"; font-size: .85rem; font-weight: 400; }
.opt-row {
  display: grid; grid-template-columns: 1.6rem 1fr; gap: .6rem; align-items: start;
  padding: .65rem .8rem; margin: .35rem 0;
  border: 1px solid var(--grid); border-radius: 4px; background: var(--sheet); cursor: pointer;
}
.opt-row:hover { border-color: var(--grid-strong); }
.opt-row input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.opt-num {
  width: 1.6rem; height: 1.6rem; border: 2px solid var(--grid-strong); border-radius: 50%;
  display: grid; place-items: center; font-size: .85rem; font-weight: 700; color: var(--muted); margin-top: .1rem;
}
.opt-row:has(input:checked) { border-color: var(--ai); background: var(--ai-soft); }
.opt-row:has(input:checked) .opt-num { background: var(--ai); border-color: var(--ai); color: #fff; }
.opt-row:has(input:focus-visible) { outline: 3px solid var(--ai); outline-offset: 2px; }

.submit-area { padding: 2.5rem 0 4rem; }
.form-error { color: var(--pencil); font-weight: 700; margin-top: 1rem; }

/* ===== 結果ページ ===== */
.result-top { padding: 2.5rem 0 1rem; }
.type-name { font-size: clamp(2rem, 6vw, 3rem); color: var(--ai); margin: .25rem 0 .75rem; }
.result-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 2rem; align-items: center; }
@media (max-width: 44rem) { .result-grid { grid-template-columns: 1fr; } }
.radar { padding: 1rem; border: 1px solid var(--grid-strong); }
.rd-ring { fill: none; stroke: var(--grid-strong); stroke-width: 1; }
.rd-outer { stroke: var(--muted); }
.rd-axis { stroke: var(--grid-strong); stroke-width: 1; }
.rd-shape { fill: rgba(35, 70, 110, .18); stroke: var(--ai); stroke-width: 2.5; stroke-linejoin: round; }
.rd-dot { fill: var(--ai); }
.rd-label { font-family: var(--font-body); font-size: 18px; font-weight: 700; fill: var(--ink); }
.rd-val { fill: var(--ai); }

.diag-id { font-size: .85rem; color: var(--muted); word-break: break-all; }
.diag-id code { font-family: inherit; color: var(--ink); background: var(--ai-soft); padding: .1rem .35rem; border-radius: 3px; }

.priority { list-style: none; padding: 0; margin: 1.25rem 0 0; }
.priority li { padding: 1rem 0 1rem 1.25rem; border-left: 3px solid var(--pencil); margin-bottom: .9rem; background: var(--sheet); padding-right: 1rem; }
.priority .p-name { font-weight: 700; }
.priority .p-meta { color: var(--pencil); font-size: .85rem; margin-left: .5rem; }
.priority p { margin: .35rem 0 0; }

.cap-block { margin: 2rem 0; }
.cap-block h3 { display: flex; justify-content: space-between; align-items: baseline; border-bottom: 2px solid var(--ai); padding-bottom: .3rem; }
.cap-block h3 span { color: var(--ai); font-family: var(--font-body); }
.bar-row { display: grid; grid-template-columns: minmax(8rem, 13rem) 1fr 2rem; gap: .75rem; align-items: center; padding: .45rem 0; border-bottom: 1px solid var(--grid); font-size: .95rem; }
.bar { height: 10px; background: var(--grid); border-radius: 2px; position: relative; }
.bar span { position: absolute; inset: 0 auto 0 0; background: var(--ai); border-radius: 2px; }
.bar-row.is-priority .bar span { background: var(--pencil); }
.bar-row.is-priority .bar-name { color: var(--pencil); font-weight: 700; }
.bar-val { text-align: right; font-weight: 700; }
@media (max-width: 30rem) { .bar-row { grid-template-columns: 1fr 2rem; } .bar-row .bar { grid-column: 1 / -1; grid-row: 2; } }

.cta-box { border: 1px solid var(--grid-strong); padding: clamp(1.25rem, 4vw, 2rem); margin: 2.5rem 0; }
.state { padding: 5rem 0; }
.actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1rem; }

@media print {
  .site-head, .actions, .cta-box .btn, .site-foot { display: none; }
  body { background: #fff; }
}
h2 + p, h2 + ol { margin-top: .75rem; }
.src { margin-top: .6rem; }
.src-list { padding-left: 1.2rem; }
.src-list li { margin: .3rem 0; }
.step > .cap-head:first-child { margin-top: 1.75rem; }
[hidden] { display: none !important; }
.item-src { grid-column: 1 / -1; font-size: .78rem; color: var(--muted); line-height: 1.6; margin-top: -.15rem; }
.item-src a { color: var(--muted); }
.features { list-style: none; padding: 0; margin: 1.5rem 0 0; display: grid; gap: .6rem; max-width: 36rem; }
.features li { display: grid; grid-template-columns: 1.4rem 1fr; column-gap: .6rem; align-items: start; }
.features li::before { content: "✓"; grid-row: span 2; color: var(--ai); font-weight: 700; font-size: 1.1rem; line-height: 1.5; }
.features strong { display: block; }
.features span { color: var(--muted); font-size: .9rem; }
.foot-link { display: block; margin-top: .4rem; }
.radar svg { display: block; width: 100%; height: auto; overflow: visible; }