/* tapioca-cup.com 2026 renewal */
:root{
  --navy:#16324a; --navy2:#1f4568; --teal:#0e7c7b; --teal-l:#eaf4f3;
  --accent:#f2994a; --accent2:#e8792b;
  --ink:#22303c; --muted:#5f7280; --line:#e4e7e4; --bg:#fafaf7; --card:#fff;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Hiragino Kaku Gothic ProN","Hiragino Sans","Noto Sans JP","Yu Gothic Medium",sans-serif;color:var(--ink);background:var(--bg);line-height:1.9;font-size:15px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
.en{font-family:Arial,sans-serif;font-size:12px;font-weight:800;letter-spacing:.24em;color:var(--teal)}
/* header */
header{position:sticky;top:0;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);z-index:100}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px}
.logo{font-weight:800;font-size:17px;color:var(--navy);line-height:1.2}
.logo small{display:block;font-size:9.5px;font-weight:700;color:var(--teal);letter-spacing:.2em;font-family:Arial}
.gnav{display:flex;gap:18px;font-size:13px;font-weight:700;color:var(--muted)}
.gnav a{white-space:nowrap}
.gnav a:hover,.gnav a.active{color:var(--teal)}
.btn{display:inline-block;background:var(--accent);color:#fff;font-weight:800;padding:13px 30px;border-radius:999px;box-shadow:0 4px 14px rgba(232,121,43,.35);transition:.2s;border:0;cursor:pointer;font-size:15px;white-space:nowrap}
.btn:hover{background:var(--accent2);transform:translateY(-1px)}
.btn.s{padding:9px 20px;font-size:13px}
.btn.ghost{background:transparent;color:var(--navy);border:2px solid var(--navy);box-shadow:none}
.btn.ghost:hover{background:var(--navy);color:#fff}
.menu-toggle{display:none;background:none;border:0;font-size:24px;color:var(--navy);cursor:pointer}
/* hero (top) */
.hero{background:linear-gradient(135deg,var(--navy) 0%,var(--navy2) 55%,var(--teal) 135%);color:#fff;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:center;padding:80px 24px 90px}
.kicker{display:inline-block;background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.3);border-radius:999px;padding:6px 18px;font-size:12px;font-weight:700;letter-spacing:.08em;margin-bottom:22px}
.hero h1{font-size:42px;line-height:1.4;font-weight:800;letter-spacing:.02em}
.hero h1 em{font-style:normal;color:#ffd9ae}
.hero .lead{margin:22px 0 32px;font-size:15.5px;color:#dbe6ee;max-width:34em}
.cta-row{display:flex;gap:14px;flex-wrap:wrap}
.cta-row .ghost{color:#fff;border-color:rgba(255,255,255,.7)}
.cta-row .ghost:hover{background:#fff;color:var(--navy)}
.hero-note{margin-top:18px;font-size:12px;color:#b8c9d6}
/* page hero (sub pages) */
.phero{background:linear-gradient(135deg,var(--navy),var(--navy2));color:#fff;padding:58px 0 50px}
.phero h1{font-size:32px;font-weight:800;margin-top:8px}
.phero p{color:#c9d8e4;font-size:14px;margin-top:10px;max-width:44em}
/* cups illustration */
.cups{display:flex;gap:18px;justify-content:center;align-items:flex-end}
.cup{width:106px;border-radius:10px 10px 26px 26px;position:relative;box-shadow:0 18px 30px rgba(0,0,0,.28)}
.cup::before{content:"";position:absolute;top:-10px;left:-4%;width:108%;height:15px;border-radius:999px;background:rgba(255,255,255,.88)}
.cup::after{content:attr(data-label);position:absolute;bottom:13px;left:0;right:0;text-align:center;font-size:10.5px;font-weight:800;letter-spacing:.12em;color:rgba(255,255,255,.95);font-family:Arial}
.cup.c1{height:185px;background:linear-gradient(180deg,#f7b267,#e8792b)}
.cup.c2{height:228px;background:linear-gradient(180deg,#7ad0c8,#0e7c7b)}
.cup.c3{height:160px;background:linear-gradient(180deg,#c9d6e4,#5a7d9d)}
/* sections */
section{padding:78px 0}
section.alt{background:#fff}
.sec-head{text-align:center;margin-bottom:46px}
.sec-head h2{font-size:29px;color:var(--navy);margin-top:8px;font-weight:800}
.sec-head p{color:var(--muted);font-size:14px;margin-top:10px}
h3.sub{font-size:19px;color:var(--navy);font-weight:800;margin:34px 0 14px}
/* cards */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:28px 24px;transition:.2s}
.card:hover{transform:translateY(-3px);box-shadow:0 12px 26px rgba(22,50,74,.10)}
.card .num{font-family:Arial;font-size:11.5px;font-weight:800;color:var(--accent);letter-spacing:.12em}
.card h3{font-size:16.5px;color:var(--navy);margin:8px 0 10px;font-weight:800}
.card p{font-size:13px;color:var(--muted)}
.pcard{background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:.2s}
.pcard:hover{transform:translateY(-3px);box-shadow:0 12px 26px rgba(22,50,74,.10)}
.pcard .ph{height:150px;display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;font-size:24px;letter-spacing:.16em;font-family:Arial}
.ph.pp{background:linear-gradient(135deg,#0e7c7b,#7ad0c8)}
.ph.pet{background:linear-gradient(135deg,#1f4568,#6f9ec4)}
.ph.paper{background:linear-gradient(135deg,#a5713f,#dbb27f)}
.ph.opt{background:linear-gradient(135deg,#f2994a,#ffd9ae)}
.pcard .body{padding:20px 22px 24px}
.pcard h3{color:var(--navy);font-size:17px;font-weight:800}
.pcard p{font-size:13px;color:var(--muted);margin:8px 0 12px}
.tag{display:inline-block;background:var(--teal-l);color:var(--teal);font-size:11px;font-weight:700;border-radius:6px;padding:3px 10px;margin:2px 4px 2px 0}
.tag.o{background:#fff4e8;color:var(--accent2)}
/* tables */
table{width:100%;border-collapse:collapse;background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 2px 10px rgba(22,50,74,.06);font-size:14px}
th{background:var(--navy);color:#fff;padding:13px 12px;font-size:13px;letter-spacing:.04em;font-weight:700}
td{padding:13px 12px;border-bottom:1px solid var(--line);text-align:center}
td.l,th.l{text-align:left}
td.l{font-weight:700;color:var(--navy)}
.note{font-size:12px;color:var(--muted);margin-top:14px}
.badge-tbd{background:#fff4e8;color:var(--accent2);font-weight:800;border-radius:6px;padding:2px 10px;font-size:12px;white-space:nowrap}
/* flow steps */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;counter-reset:step}
.step{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px 14px;text-align:center;position:relative}
.step::before{counter-increment:step;content:counter(step,decimal-leading-zero);display:block;font-family:Arial;font-size:22px;font-weight:800;color:var(--teal);margin-bottom:8px}
.step h4{font-size:14px;color:var(--navy);font-weight:800;margin-bottom:6px}
.step p{font-size:11.5px;color:var(--muted);line-height:1.7}
/* faq */
.faq{max-width:780px;margin:0 auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px}
.faq summary{cursor:pointer;font-weight:700;color:var(--navy);padding:18px 48px 18px 22px;font-size:15px;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:20px;top:14px;color:var(--accent);font-size:22px;font-weight:800}
.faq details[open] summary::after{content:"−"}
.faq .a{padding:0 22px 18px;font-size:14px;color:var(--muted)}
/* forms */
.form-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:36px;max-width:820px;margin:0 auto}
.frow{margin-bottom:22px}
.frow label{display:block;font-weight:800;font-size:13.5px;color:var(--navy);margin-bottom:8px}
.req{display:inline-block;background:var(--accent);color:#fff;font-size:10px;font-weight:800;border-radius:4px;padding:1px 7px;margin-left:8px;vertical-align:2px}
.opt-l{display:inline-block;background:#e2e8ec;color:var(--muted);font-size:10px;font-weight:800;border-radius:4px;padding:1px 7px;margin-left:8px;vertical-align:2px}
input[type=text],input[type=email],input[type=tel],select,textarea{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;font-size:15px;font-family:inherit;background:#fdfdfc}
input:focus,select:focus,textarea:focus{outline:2px solid var(--teal);border-color:var(--teal)}
.radio-row{display:flex;gap:10px;flex-wrap:wrap}
.radio-row label{display:flex;align-items:center;gap:7px;font-weight:600;font-size:13.5px;color:var(--ink);background:#fdfdfc;border:1.5px solid var(--line);border-radius:10px;padding:10px 16px;cursor:pointer;margin:0}
.radio-row input{accent-color:var(--teal)}
.hp-field{position:absolute;left:-9999px;opacity:0}
/* cta band */
.cta-band{background:linear-gradient(135deg,var(--navy),var(--teal));color:#fff;text-align:center;padding:66px 24px}
.cta-band h2{font-size:27px;font-weight:800;margin-bottom:12px}
.cta-band p{color:#d5e4ea;font-size:14px;margin-bottom:26px}
.cta-band .tel{font-size:23px;font-weight:800;margin-top:22px}
.cta-band .tel small{display:block;font-size:12px;font-weight:600;color:#b8c9d6;margin-top:4px}
.cta-band .btn.white{background:#fff;color:var(--navy);box-shadow:0 4px 14px rgba(0,0,0,.25)}
/* footer */
footer{background:var(--navy);color:#9db4c6;font-size:12.5px;padding:44px 0 30px}
.fgrid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:30px;margin-bottom:28px}
footer h4{color:#fff;font-size:13.5px;font-weight:800;margin-bottom:12px}
footer li{margin-bottom:8px}
footer a:hover{color:#fff}
.copyright{border-top:1px solid rgba(255,255,255,.15);padding-top:18px;text-align:center;font-size:11px}
/* misc */
.notice{background:#fff4e8;border:1px solid #f5cfa4;border-radius:12px;padding:16px 20px;font-size:13px;color:#7a4a12;margin:0 0 26px}
.breadcrumb{font-size:12px;color:var(--muted);padding:14px 0}
.breadcrumb a{color:var(--teal)}
@media(max-width:860px){
  .gnav{display:none}
  .menu-toggle{display:block}
  .gnav.open{display:flex;position:absolute;top:66px;left:0;right:0;background:#fff;flex-direction:column;padding:18px 24px;border-bottom:1px solid var(--line);gap:16px}
  .hero .wrap{grid-template-columns:1fr;text-align:center;padding:56px 24px 64px}
  .hero h1{font-size:30px}
  .cups{margin-top:10px}
  .cta-row{justify-content:center}
  .grid2,.grid3,.grid4,.fgrid{grid-template-columns:1fr}
  .flow{grid-template-columns:repeat(2,1fr)}
  .form-card{padding:24px 18px}
  table{font-size:12.5px}
}

@media(max-width:860px){.quality-grid{grid-template-columns:1fr !important}}

/* ---- v4: cost-first hero & mobile CTA ---- */
.hero2{background:linear-gradient(160deg,var(--navy) 0%,var(--navy2) 70%,var(--teal) 160%);color:#fff;text-align:center;padding:64px 0 58px}
.hero2-kicker{display:inline-block;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.35);border-radius:999px;padding:6px 20px;font-size:12.5px;font-weight:700;margin-bottom:20px}
.hero2 h1{font-size:36px;line-height:1.5;font-weight:800;margin-bottom:28px}
.hero2 h1 em{font-style:normal;color:#ffd9ae;font-size:1.2em}
.hero2-price{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;margin-bottom:28px}
.hp-item{background:#fff;color:var(--navy);border-radius:14px;padding:14px 22px;min-width:170px;box-shadow:0 8px 22px rgba(0,0,0,.25)}
.hp-label{display:block;font-size:11.5px;font-weight:700;color:var(--muted)}
.hp-num{font-family:Arial;font-size:38px;font-weight:800;color:var(--teal);line-height:1.2}
.hp-num small{font-size:14px;color:var(--muted);font-weight:700}
.hp-item.hp-note{display:flex;align-items:center;background:var(--accent);color:#fff;font-size:13px;font-weight:700;line-height:1.6}
.hp-item.hp-note strong{font-size:15px}
.btn.big{font-size:17px;padding:16px 42px}
.hero2-sub{font-size:13px;color:#dbe6ee;margin-top:16px}
.hero2-chips{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:18px;list-style:none}
.hero2-chips li{background:rgba(255,255,255,.12);border-radius:999px;padding:5px 14px;font-size:12px;font-weight:700}
.tbl-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.tbl-scroll table{min-width:640px}
td.hl{background:#fff4e8;color:var(--accent2);font-weight:800}
th.hl{background:var(--accent2)}
.price-notes{background:var(--teal-l);border-radius:12px;padding:16px 20px;font-size:13.5px;font-weight:600;color:var(--ink);margin-top:18px;text-align:center}
.sticky-cta{display:none}
@media(max-width:860px){
  .hero2 h1{font-size:24px}
  .hp-num{font-size:30px}
  .hp-item{min-width:140px;padding:12px 16px}
  .sticky-cta{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:200;background:rgba(255,255,255,.97);border-top:1px solid var(--line);padding:10px 12px;gap:10px;box-shadow:0 -4px 16px rgba(0,0,0,.08)}
  .sticky-cta a{flex:1;text-align:center;padding:13px 8px;font-size:14px}
  .sticky-cta .tel-b{background:#fff;color:var(--teal);border:2px solid var(--teal);box-shadow:none}
  body{padding-bottom:66px}
}

/* ---- v6: article / SEO pages ---- */
.article{max-width:840px;margin:0 auto}
.article p{margin:12px 0;font-size:15px;line-height:2}
.article h2{font-size:23px;color:var(--navy);font-weight:800;margin:40px 0 14px;padding-bottom:10px;border-bottom:2px solid var(--teal-l)}
.article h3{font-size:17.5px;color:var(--navy);font-weight:800;margin:28px 0 10px}
.article ul.dots{margin:12px 0 12px 4px}
.article ul.dots li{position:relative;padding:5px 0 5px 26px;font-size:14.5px}
.article ul.dots li::before{content:"";position:absolute;left:6px;top:15px;width:8px;height:8px;border-radius:50%;background:var(--teal)}
.article ol.nums{margin:12px 0 12px 22px;list-style:decimal}
.article ol.nums li{padding:5px 0;font-size:14.5px}
.article table{margin:16px 0}
.mark{background:linear-gradient(transparent 62%, #ffe0b8 62%);font-weight:700}
.mark-t{background:linear-gradient(transparent 62%, #c7ece9 62%);font-weight:700}
.toc{background:var(--teal-l);border-radius:14px;padding:22px 26px;margin:26px 0}
.toc h4{font-size:14px;font-weight:800;color:var(--teal);margin-bottom:10px}
.toc ol{margin-left:20px;list-style:decimal}
.toc li{padding:3px 0;font-size:14px}
.toc a{color:var(--navy);font-weight:600}
.toc a:hover{color:var(--teal);text-decoration:underline}
.callout{border-left:4px solid var(--accent);background:#fffaf4;border-radius:0 12px 12px 0;padding:18px 22px;margin:22px 0;font-size:14.5px}
.callout strong{color:var(--accent2)}
.callout.t{border-left-color:var(--teal);background:var(--teal-l)}
.callout.t strong{color:var(--teal)}
.timeline{margin:22px 0}
.tl-row{display:grid;grid-template-columns:130px 1fr;gap:18px;align-items:start;padding:16px 0;border-bottom:1px solid var(--line)}
.tl-when{font-weight:800;color:#fff;background:var(--navy);border-radius:8px;padding:7px 10px;text-align:center;font-size:13px}
.tl-row.hot .tl-when{background:var(--accent)}
.tl-what h4{font-size:15px;color:var(--navy);font-weight:800;margin-bottom:4px}
.tl-what p{font-size:13.5px;color:var(--muted);margin:0;line-height:1.8}
.guide-card{display:block;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:.2s}
.guide-card:hover{transform:translateY(-3px);box-shadow:0 12px 26px rgba(22,50,74,.10)}
.guide-card .gc-top{padding:22px 24px 6px}
.guide-card .gc-tag{display:inline-block;background:var(--teal-l);color:var(--teal);font-size:11px;font-weight:800;border-radius:6px;padding:3px 10px;margin-bottom:10px}
.guide-card h3{font-size:17px;color:var(--navy);font-weight:800;line-height:1.5}
.guide-card p{font-size:13px;color:var(--muted);padding:8px 24px 24px;margin:0}
.rel-links{background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:20px 24px;margin:30px 0}
.rel-links h4{font-size:13.5px;font-weight:800;color:var(--navy);margin-bottom:10px}
.rel-links li{padding:5px 0;font-size:14px}
.rel-links a{color:var(--teal);font-weight:700}
.rel-links a:hover{text-decoration:underline}
@media(max-width:860px){
  .article h2{font-size:19px}
  .tl-row{grid-template-columns:1fr;gap:8px}
  .tl-when{text-align:left;display:inline-block;padding:5px 14px}
}

/* ---- v7: works gallery / product photos ---- */
.works-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.work-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.2s}
.work-item:hover{transform:translateY(-3px);box-shadow:0 12px 26px rgba(22,50,74,.12)}
.work-item img{width:100%;height:210px;object-fit:contain;background:#fbfbfa;padding:10px}
.work-item .wcap{font-size:11.5px;color:var(--muted);text-align:center;padding:0 10px 12px}
.photo-card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:.2s}
.photo-card:hover{transform:translateY(-3px);box-shadow:0 12px 26px rgba(22,50,74,.10)}
.photo-card img{width:100%;height:190px;object-fit:cover;background:#f4f6f5}
.photo-card .pbody{padding:18px 20px 22px}
.photo-card h3{font-size:16px;color:var(--navy);font-weight:800;margin-bottom:6px}
.photo-card p{font-size:12.5px;color:var(--muted);margin:0}
.split{display:grid;grid-template-columns:1fr 1fr;gap:38px;align-items:center}
.split img{border-radius:16px;width:100%}
@media(max-width:860px){
  .works-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .work-item img{height:150px}
  .split{grid-template-columns:1fr;gap:22px}
}

/* ── 問い合わせフォーム: 任意項目の折りたたみ ── */
.opt-details{border:1px solid #dfe6ec;border-radius:12px;margin:0 0 18px;background:#fbfcfd;overflow:hidden}
.opt-details>summary{cursor:pointer;padding:14px 18px;font-weight:700;font-size:14.5px;color:#16324a;list-style:none;display:flex;align-items:center;gap:10px;user-select:none}
.opt-details>summary::-webkit-details-marker{display:none}
.opt-details>summary::before{content:"＋";display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;flex:0 0 22px;border-radius:50%;background:#16324a;color:#fff;font-size:14px;line-height:1;transition:transform .2s}
.opt-details[open]>summary::before{content:"−"}
.opt-details>summary:hover{background:#f2f6f9}
.opt-details .opt-body{padding:4px 18px 18px;border-top:1px solid #e8eef3}
.opt-details .opt-body .frow:last-child{margin-bottom:0}

/* ── 計算結果からの引き継ぎCTA ── */
.calc-cta{margin:18px 0 0;padding:18px;border-radius:12px;background:#eef7f6;border:1px solid #bfe0dc;text-align:center}
.calc-cta p{margin:0 0 12px;font-size:14.5px;color:#1d4a54;font-weight:600}
.calc-cta .btn{margin:0}

/* ── 軽い入口バナー ── */
.soft-entry{margin:26px auto;max-width:820px;padding:22px 24px;border-radius:14px;background:#fff7ed;border:1px solid #f2d5b3}
.soft-entry h3{margin:0 0 8px;font-size:17px;color:#7a4a12}
.soft-entry p{margin:0 0 14px;font-size:14.5px;color:#6b4715;line-height:1.75}
.soft-entry .btn{margin:0}
@media(max-width:600px){.soft-entry{padding:18px 16px;margin:20px 12px}}