/* ============================================================
   アフィリエイトサイト テンプレート  style.css
   Mobile-first / no framework / no webfont
   ============================================================ */
:root{
  --navy:#16305c; --navy-d:#0f2244; --yellow:#ffc400; --yellow-d:#e6a800;
  --cta:#ff6a00; --cta-d:#e55d00; --cta-txt:#fff;
  --ink:#222; --muted:#666; --line:#e4e7ec; --bg:#ffffff; --bg2:#f6f8fb; --bg3:#fff7d6;
  --ok:#0a8f4d; --ng:#c62828; --link:#0b57d0;
  --radius:12px; --maxw:1080px;
  --shadow:0 4px 18px rgba(20,40,80,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:"Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP","Yu Gothic UI","Meiryo",system-ui,-apple-system,sans-serif;font-size:16px;line-height:1.85;color:var(--ink);background:var(--bg);word-break:break-word}
img{max-width:100%;height:auto;display:block}
a{color:var(--link)}
a:hover{opacity:.85}
h1,h2,h3,h4{line-height:1.4;font-weight:700;margin:0}
p{margin:0 0 1.1em}
ul,ol{padding-left:1.4em;margin:0 0 1.1em}
li{margin:.25em 0}
table{border-collapse:collapse;width:100%;font-size:.93em}
th,td{border:1px solid var(--line);padding:.55em .7em;vertical-align:top;text-align:left}
th{background:var(--bg2);font-weight:700;white-space:nowrap}
tbody th{background:#fbfcfe}
.tbl-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 0 1.3em;border-radius:8px}
.tbl-wrap table{min-width:560px}
.tbl-wrap.wide table{min-width:680px}
.nowrap{white-space:nowrap}
.center{text-align:center}
.small{font-size:.86em;color:var(--muted)}
.mark{background:linear-gradient(transparent 55%,#ffe98a 55%);font-weight:700}
.red{color:var(--ng);font-weight:700}
.green{color:var(--ok);font-weight:700}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ---------- PR notice ---------- */
.pr-bar{background:#333;color:#eee;font-size:.78em;text-align:center;padding:.35em .8em;line-height:1.5}

/* ---------- header ---------- */
.site-header{background:var(--navy);color:#fff;position:sticky;top:0;z-index:50;box-shadow:0 2px 8px rgba(0,0,0,.25)}
.site-header .in{max-width:var(--maxw);margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:.45em 1em;gap:1em}
.brand{display:flex;align-items:center;gap:.55em;color:#fff;text-decoration:none;font-weight:700;font-size:1.05em;line-height:1.2}
.brand img{width:38px;height:38px;border-radius:8px;background:#fff}
.brand small{display:none;font-size:.68em;font-weight:400;opacity:.85}
@media(min-width:1000px){.brand small{display:block}}
@media(max-width:480px){.brand{font-size:.92em}}
.nav-toggle{background:none;border:1px solid rgba(255,255,255,.5);color:#fff;border-radius:8px;padding:.35em .7em;font-size:.9em;cursor:pointer}
.gnav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--navy-d);padding:.5em 1em 1em}
.gnav.open{display:block}
.gnav ul{list-style:none;margin:0;padding:0}
.gnav li a{display:block;color:#fff;text-decoration:none;padding:.6em .4em;border-bottom:1px solid rgba(255,255,255,.12);font-size:.95em}
.gnav li a.hot{color:var(--yellow);font-weight:700}
@media(min-width:900px){
  .nav-toggle{display:none}
  .gnav{display:block;position:static;background:none;padding:0}
  .gnav ul{display:flex;gap:.2em}
  .gnav li a{border:0;padding:.4em .6em;font-size:.9em;border-radius:6px}
  .gnav li a:hover{background:rgba(255,255,255,.12)}
}

/* ---------- hero ---------- */
.hero{background:linear-gradient(135deg,#16305c 0%,#1f4a8f 60%,#ffc400 60.1%,#ffd54a 100%);color:#fff}
.hero .in{max-width:var(--maxw);margin:0 auto;padding:1.6em 1em 1.4em;display:grid;gap:1em}
.hero h1{font-size:1.45em;text-shadow:0 2px 6px rgba(0,0,0,.35)}
.hero .lead{font-size:.98em;text-shadow:0 1px 4px rgba(0,0,0,.35);margin:0}
.hero img{max-width:340px;margin:0 auto;filter:drop-shadow(0 8px 14px rgba(0,0,0,.35))}
.hero .badges{display:flex;flex-wrap:wrap;gap:.4em;margin:0}
.hero .badges span{background:rgba(255,255,255,.92);color:var(--navy);font-size:.78em;font-weight:700;padding:.2em .7em;border-radius:99px}
@media(min-width:760px){
  .hero .in{grid-template-columns:1.3fr 1fr;align-items:center;padding:2.2em 1em}
  .hero h1{font-size:1.9em}
}
.page-head{background:var(--bg2);border-bottom:1px solid var(--line)}
.page-head .in{max-width:var(--maxw);margin:0 auto;padding:1.2em 1em}
.page-head h1{font-size:1.45em;color:var(--navy)}
@media(min-width:760px){.page-head h1{font-size:1.75em}}
.breadcrumb{font-size:.8em;color:var(--muted);margin:0 0 .5em;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:.3em}
.breadcrumb li+li:before{content:"›";margin-right:.3em}
.breadcrumb a{color:var(--muted)}
.meta{font-size:.8em;color:var(--muted);margin-top:.4em}

/* ---------- layout ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:1.2em 1em 3em;display:grid;gap:2em}
@media(min-width:960px){.wrap{grid-template-columns:minmax(0,1fr) 300px;padding-top:1.8em}}
main{min-width:0}
.sidebar{min-width:0}
.sidebar .box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1em;margin-bottom:1.2em;box-shadow:var(--shadow)}
.sidebar .box h3{font-size:.95em;color:var(--navy);border-left:4px solid var(--yellow);padding-left:.5em;margin-bottom:.7em}
.sidebar ul{list-style:none;padding:0;margin:0}
.sidebar li{border-bottom:1px dashed var(--line);margin:0}
.sidebar li a{display:block;padding:.5em .2em;text-decoration:none;color:var(--ink);font-size:.9em}
.sidebar li a:hover{color:var(--link)}
@media(min-width:960px){.sidebar .sticky{position:sticky;top:70px}}

/* ---------- content ---------- */
.content h2{font-size:1.28em;color:#fff;background:var(--navy);padding:.55em .8em;border-radius:8px;margin:2.2em 0 1em;border-left:8px solid var(--yellow)}
.content h3{font-size:1.1em;color:var(--navy);border-bottom:3px solid var(--yellow);padding:.2em .1em;margin:1.8em 0 .8em}
.content h4{font-size:1em;margin:1.3em 0 .5em;padding-left:.6em;border-left:4px solid var(--navy)}
.content h2:first-child{margin-top:.5em}
.content figure{margin:1em 0 1.5em}
.content figure img{border-radius:8px;margin:0 auto}
.content figcaption{font-size:.8em;color:var(--muted);text-align:center;margin-top:.4em}
.lead-box{background:var(--bg3);border:2px solid var(--yellow);border-radius:var(--radius);padding:1em 1.1em;margin:0 0 1.4em}
.lead-box p:last-child{margin-bottom:0}
.point{background:var(--bg2);border-left:5px solid var(--navy);padding:.8em 1em;margin:1em 0 1.3em;border-radius:0 8px 8px 0}
.point strong:first-child{color:var(--navy)}
.point ul{margin-bottom:0}
.note{background:#fff8e6;border:1px solid #ffe08a;padding:.7em 1em;border-radius:8px;font-size:.92em;margin:1em 0 1.3em}
.warn{background:#fdecea;border:1px solid #f5b5b0;padding:.7em 1em;border-radius:8px;font-size:.92em;margin:1em 0 1.3em}
.good{background:#e8f6ee;border:1px solid #9fd7b5;padding:.7em 1em;border-radius:8px;font-size:.92em;margin:1em 0 1.3em}
.note p:last-child,.warn p:last-child,.good p:last-child{margin-bottom:0}
.toc{background:var(--bg2);border:1px solid var(--line);border-radius:var(--radius);padding:1em 1.2em;margin:1.2em 0 1.6em;font-size:.93em}
.toc .t{font-weight:700;color:var(--navy);margin-bottom:.4em}
.toc ol{margin:0;padding-left:1.4em}
.toc ol ol{padding-left:1.2em;font-size:.93em}
.toc a{text-decoration:none;color:var(--ink)}
.toc a:hover{color:var(--link);text-decoration:underline}

/* voice / review cards */
.voice{border:1px solid var(--line);border-radius:var(--radius);padding:1.1em 1em .8em;margin:1.2em 0 1em;background:#fff;box-shadow:var(--shadow);position:relative}
.voice.neg{border-color:#f0c2be;background:#fffafa}
.voice.pos{border-color:#b7e0c6;background:#f7fdf9}
.voice .q{margin:0 0 .4em;font-size:.95em}
.voice .who{font-size:.78em;color:var(--muted);text-align:right;margin:0}
.voice .who a{color:var(--muted)}
.voice .tag{position:absolute;top:-.8em;left:1em;font-size:.72em;font-weight:700;padding:.1em .6em;border-radius:99px;color:#fff;background:#999}
.voice.neg .tag{background:var(--ng)}
.voice.pos .tag{background:var(--ok)}
.comment{display:flex;gap:.7em;align-items:flex-start;margin:0 0 1.4em}
.comment img{width:54px;height:64px;flex:none;object-fit:contain}
.comment .bub{background:#eef3fb;border-radius:12px;padding:.7em .9em;font-size:.93em;position:relative;flex:1}
.comment .bub:before{content:"";position:absolute;left:-9px;top:18px;border:6px solid transparent;border-right-color:#eef3fb;border-left:0}
.comment .bub p:last-child{margin:0}

/* product cards */
.cards{display:grid;gap:1em;margin:1em 0 1.5em}
@media(min-width:640px){.cards{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}}
.card{border:1px solid var(--line);border-radius:var(--radius);padding:1em;background:#fff;box-shadow:var(--shadow);display:flex;flex-direction:column}
.card .pic{height:120px;display:flex;align-items:center;justify-content:center;margin-bottom:.6em}
.card .pic img{max-height:120px;width:auto}
.card h3,.card .h{font-size:1.02em;color:var(--navy);border:0;margin:0 0 .3em;padding:0}
.card .price{font-size:1.25em;font-weight:700;color:var(--cta);margin:.1em 0}
.card .price small{font-size:.65em;color:var(--muted);font-weight:400}
.card ul{font-size:.86em;padding-left:1.2em;margin:.4em 0 .8em;flex:1}
.card .ribbon{align-self:flex-start;font-size:.72em;font-weight:700;color:#fff;background:var(--ng);padding:.1em .6em;border-radius:4px;margin-bottom:.4em}
.card .ribbon.blue{background:var(--navy)}
.card .ribbon.green{background:var(--ok)}
.card .btn{width:100%;font-size:.92em;padding:.65em 1em}

/* ---------- CTA ---------- */
.btn{display:inline-block;text-decoration:none;font-weight:700;text-align:center;border-radius:99px;padding:.85em 1.6em;line-height:1.3;transition:transform .12s,box-shadow .12s;cursor:pointer;border:0}
.btn:hover{transform:translateY(-2px);opacity:1}
.btn-cta{background:linear-gradient(180deg,#ff7d1f,var(--cta));color:var(--cta-txt);box-shadow:0 6px 0 var(--cta-d),0 10px 20px rgba(255,106,0,.3);font-size:1.05em;width:100%;max-width:520px}
.btn-cta:active{transform:translateY(3px);box-shadow:0 3px 0 var(--cta-d)}
.btn-cta small{display:block;font-size:.72em;font-weight:400;opacity:.95}
.btn-sub{background:#fff;color:var(--navy);border:2px solid var(--navy);font-size:.95em;width:100%;max-width:520px}
.btn-sub:hover{background:var(--bg2)}
.cta-box{background:var(--bg3);border:2px dashed var(--yellow-d);border-radius:var(--radius);padding:1.1em 1em;margin:1.5em 0 1.8em;text-align:center}
.cta-box .h{font-weight:700;color:var(--navy);margin:0 0 .5em;font-size:1.05em}
.cta-box .btn{margin:.3em auto}
.cta-box .sub{font-size:.8em;color:var(--muted);margin:.5em 0 0}
.cta-box.dark{background:var(--navy);border-color:var(--navy);color:#fff}
.cta-box.dark .h{color:var(--yellow)}
.cta-box.dark .sub{color:#ddd}
.cta-inline{margin:1em 0 1.4em;text-align:center}
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:60;background:rgba(255,255,255,.96);border-top:1px solid var(--line);padding:.5em .8em calc(.5em + env(safe-area-inset-bottom));display:flex;gap:.5em;align-items:center;box-shadow:0 -4px 16px rgba(0,0,0,.12);transform:translateY(110%);transition:transform .25s}
.sticky-cta.show{transform:none}
.sticky-cta .txt{font-size:.76em;line-height:1.3;flex:1;color:var(--navy)}
.sticky-cta .txt b{display:block;font-size:1.05em}
.sticky-cta .btn{padding:.6em 1em;font-size:.88em;width:auto;box-shadow:0 3px 0 var(--cta-d);white-space:nowrap}
.sticky-cta .close{background:none;border:0;font-size:1.2em;color:#999;padding:0 .2em;cursor:pointer}
@media(min-width:960px){.sticky-cta{display:none}}
body.has-sticky{padding-bottom:78px}
@media(min-width:960px){body.has-sticky{padding-bottom:0}}

/* verdict / compare */
.verdict{display:grid;gap:.8em;margin:1em 0 1.5em}
@media(min-width:640px){.verdict{grid-template-columns:1fr 1fr}}
.verdict>div{border-radius:var(--radius);padding:.9em 1em;border:2px solid var(--line)}
.verdict .a{border-color:var(--navy);background:#f3f6fc}
.verdict .b{border-color:var(--cta);background:#fff6ee}
.verdict h3,.verdict .h{border:0;margin:0 0 .4em;padding:0;font-size:1.02em}
.verdict ul{margin:0;padding-left:1.2em;font-size:.92em}
.check li{list-style:none;position:relative;padding-left:1.5em}
.check li:before{content:"✔";position:absolute;left:0;color:var(--ok);font-weight:700}
.cross li{list-style:none;position:relative;padding-left:1.5em}
.cross li:before{content:"✖";position:absolute;left:0;color:var(--ng);font-weight:700}
.steps{counter-reset:s;list-style:none;padding:0;margin:0 0 1.3em}
.steps li{counter-increment:s;position:relative;padding:.6em .8em .6em 3em;border:1px solid var(--line);border-radius:8px;margin:0 0 .6em;background:#fff}
.steps li:before{content:counter(s);position:absolute;left:.7em;top:.55em;width:1.7em;height:1.7em;border-radius:50%;background:var(--navy);color:#fff;font-weight:700;text-align:center;line-height:1.7em;font-size:.9em}

/* FAQ */
.faq details{border:1px solid var(--line);border-radius:8px;margin:0 0 .6em;background:#fff}
.faq summary{cursor:pointer;font-weight:700;padding:.75em 1em;color:var(--navy);list-style:none;position:relative;padding-right:2.2em}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"＋";position:absolute;right:1em;top:.7em;color:var(--muted)}
.faq details[open] summary:after{content:"－"}
.faq .a{padding:0 1em .9em;font-size:.95em}
.faq .a p:last-child{margin:0}

/* related */
.related{display:grid;gap:.8em;margin:1em 0 1.5em}
@media(min-width:640px){.related{grid-template-columns:1fr 1fr}}
.related a{display:block;border:1px solid var(--line);border-radius:10px;padding:.8em 1em;text-decoration:none;color:var(--ink);background:#fff;box-shadow:var(--shadow);font-size:.92em}
.related a b{display:block;color:var(--navy);margin-bottom:.2em}
.related a:hover{border-color:var(--navy)}

/* author */
.author{display:flex;gap:1em;align-items:flex-start;border:1px solid var(--line);border-radius:var(--radius);padding:1em;background:var(--bg2);margin:2em 0 1em;font-size:.92em}
.author img{width:70px;height:auto;flex:none}
.author p{margin:0}
.author b{color:var(--navy)}

/* footer */
.site-footer{background:var(--navy-d);color:#cfd8e6;font-size:.85em;margin-top:2em}
.site-footer .in{max-width:var(--maxw);margin:0 auto;padding:1.6em 1em 2em}
.site-footer ul{list-style:none;padding:0;margin:0 0 1em;display:flex;flex-wrap:wrap;gap:.3em 1.2em}
.site-footer a{color:#fff;text-decoration:none}
.site-footer a:hover{text-decoration:underline}
.site-footer .disc{font-size:.85em;line-height:1.7;opacity:.8}

/* contact form (kept compatible with legacy contactform.js) */
.form .item{margin:0 0 1em}
.form label{display:block;font-weight:700;margin-bottom:.3em}
.form input[type=text],.form input[type=email],.form textarea{width:100%;padding:.6em;border:1px solid #bbb;border-radius:6px;font-size:1em;font-family:inherit}
.form textarea{min-height:160px}
.form .must{color:var(--ng);font-size:.8em;margin-left:.3em}
.form button{margin-top:.5em}
.form .error{color:var(--ng);font-size:.85em}
.form .agree{font-size:.9em}

/* spec table highlight */
.spec td:first-child,.spec th:first-child{font-weight:700;background:#fbfcfe;white-space:nowrap}
.cmp thead th{text-align:center}
.cmp td{text-align:center}
.cmp td:first-child{text-align:left;font-weight:700;background:#fbfcfe;white-space:nowrap}
.cmp .win{background:#fff4d6;font-weight:700}

/* misc */
.bignum{font-size:2em;font-weight:800;color:var(--cta);line-height:1}
.grid2{display:grid;gap:1em;margin:0 0 1.3em}
@media(min-width:640px){.grid2{grid-template-columns:1fr 1fr}}
.pill{display:inline-block;font-size:.75em;font-weight:700;padding:.1em .6em;border-radius:99px;background:var(--navy);color:#fff;vertical-align:middle;margin-right:.3em}
.pill.y{background:var(--yellow);color:var(--navy)}
.pill.r{background:var(--ng)}
.upd{font-size:.8em;color:var(--muted)}
hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.video{position:relative;padding-top:56.25%;margin:0 0 1.3em;border-radius:8px;overflow:hidden;background:#000}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.strummo-art{width:100%;max-width:420px;margin:0 auto}
@media print{.sticky-cta,.site-header,.sidebar{display:none}}