:root{--ink:#22303a;--sub:#6c7a84;--line:#e2e8e6;--bg:#f1f5f3;--card:#fff;--accent:#1565d8;--accent-d:#0f4fb0;--pale:#e8f1fd;--blue:#1565d8}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--bg);font-family:"Zen Maru Gothic","Zen Maru Gothic","Noto Sans JP",-apple-system,"Hiragino Sans","Yu Gothic UI",Meiryo,sans-serif;font-size:15px;font-weight:500;line-height:1.9;-webkit-font-smoothing:antialiased}
a{color:inherit}.in{max-width:1080px;margin:0 auto;padding:0 20px}
svg{width:1em;height:1em;flex:none}

/* 白いヘッダーと、左端の色つきブロック */
.top{display:flex;justify-content:space-between;align-items:stretch;gap:14px;min-height:64px;background:#fff;box-shadow:0 0 0 100vmax #fff;clip-path:inset(0 -100vmax);font-size:11.5px;color:var(--sub)}
.top a{display:flex;text-decoration:none}.top b{display:flex;align-items:center;background:var(--accent);color:#fff;font-weight:800;font-size:16px;letter-spacing:.06em;padding:0 22px;white-space:nowrap}
.top span{display:flex;align-items:center;text-align:right;line-height:1.5}
.hero{background:var(--bg);padding-bottom:28px}.page-hero{padding-bottom:8px}
.crumb{font-size:12px;color:var(--sub);margin:22px 0 22px}.crumb a{text-decoration:none}.crumb a:hover{color:var(--accent)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;background:var(--card);border-radius:20px;padding:44px}
.page-hero h1{margin-top:14px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:14px;color:var(--accent);letter-spacing:.04em}
.eyebrow:before{content:"";width:11px;height:11px;border-radius:50%;background:var(--accent)}
h1{font-size:clamp(28px,4.4vw,44px);line-height:1.4;margin:14px 0 4px;font-weight:800;letter-spacing:.02em}
.h1sub{display:block;font-size:.42em;font-weight:900;color:#d62828;margin-top:10px}
.addr{display:flex;align-items:flex-start;gap:8px;margin:18px 0 16px;font-size:15px}.addr svg{font-size:18px;margin-top:6px;color:var(--accent)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.chip{display:inline-flex;align-items:center;gap:6px;border:1.5px solid var(--accent);color:var(--accent);border-radius:999px;padding:4px 14px;font-size:13px;font-weight:700;background:#fff}.chip svg{font-size:15px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:var(--accent);color:#fff;font-weight:800;font-size:15px;text-decoration:none;border-radius:6px;padding:16px 34px;transition:background .15s}.btn:hover{background:var(--accent-d)}.btn svg{font-size:17px}
.btn.ghost{background:var(--bg);color:var(--ink)}.btn.ghost:hover{background:#e3ebe6}
.cta-row{display:flex;flex-wrap:wrap;gap:12px}
.mapcard{border-radius:14px;overflow:hidden;background:#dfe7e3}.mapcard iframe{display:block;width:100%;height:330px;border:0}

section{padding:52px 0}section.alt{background:transparent}
/* 背景に大きな欧文、その上に太い日本語の見出し */
.sec-h{position:relative;margin-bottom:30px;overflow:hidden;padding-top:6px}
.sec-h .k{font-family:"Outfit","Zen Maru Gothic","Zen Maru Gothic","Noto Sans JP",sans-serif;font-weight:600;font-size:clamp(58px,12vw,128px);line-height:.95;letter-spacing:-.02em;color:rgba(34,48,58,.07);text-transform:lowercase;white-space:nowrap}
.sec-h .k:first-letter{text-transform:uppercase}
.sec-h h2{position:relative;display:flex;align-items:center;gap:12px;font-size:clamp(22px,3vw,30px);font-weight:800;line-height:1.5;margin:-.9em 0 0}
.sec-h h2:before{content:"";width:12px;height:12px;border-radius:50%;background:var(--accent);flex:none}
.sec-h p{margin:12px 0 0;font-size:14.5px;color:var(--sub);max-width:780px}

.opts{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.opt{background:var(--card);border-radius:16px;padding:30px 26px 26px;display:flex;flex-direction:column}
.opt .ic{width:54px;height:54px;border-radius:50%;background:var(--pale);color:var(--accent);display:grid;place-items:center;font-size:26px;margin-bottom:16px}
.opt h3{font-size:19px;font-weight:800;line-height:1.5;margin:0}.opt .ex{font-size:12.5px;color:var(--sub);margin:2px 0 14px}
.opt dl{margin:0 0 22px;border-top:1px solid var(--line);padding-top:14px}.opt dt{display:inline-block;border:1.5px solid var(--accent);color:var(--accent);border-radius:999px;padding:1px 12px;font-size:11.5px;font-weight:700;margin-bottom:6px}.opt dd{margin:0;font-weight:700;font-size:14px}
.opt .btn{margin-top:auto;padding:14px 16px;font-size:14px}

.spec{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:start}
.spec table{width:100%;border-collapse:separate;border-spacing:0;background:var(--card);border-radius:16px;overflow:hidden}
.spec th,.spec td{padding:16px 22px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line);font-size:14.5px}.spec tr:last-child th,.spec tr:last-child td{border-bottom:0}
.spec th{width:32%;color:var(--sub);font-weight:700;font-size:13px;white-space:nowrap;padding-top:18px}
.small{font-size:12px;color:var(--sub);line-height:1.8;font-weight:500}
.tiles{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.tile{background:var(--card);border-radius:16px;padding:20px 22px}.tile .l{font-size:12px;color:var(--sub);font-weight:700}.tile .v{font-family:"Outfit","Zen Maru Gothic","Zen Maru Gothic","Noto Sans JP",sans-serif;font-size:34px;font-weight:600;line-height:1.3;color:var(--accent);margin-top:2px}.tile .v small{font-family:"Zen Maru Gothic","Zen Maru Gothic","Noto Sans JP",sans-serif;font-size:13px;font-weight:700;color:var(--ink);margin-left:3px}

.near{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.near a{display:block;background:var(--card);border-radius:14px;padding:18px 20px;text-decoration:none;border:2px solid transparent;transition:border-color .15s}.near a:hover{border-color:var(--accent)}
.near b{display:block;font-size:15px;font-weight:800;line-height:1.5}.near span{display:block;font-size:12px;color:var(--sub);margin-top:2px}

footer{background:#fff;margin-top:36px;padding:36px 0 48px;font-size:12px;color:var(--sub);line-height:2}footer a{color:var(--ink)}footer strong{color:var(--ink)}

.list{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.list a{display:block;background:var(--card);border-radius:12px;padding:15px 18px;text-decoration:none;border:2px solid transparent;transition:border-color .15s}.list a:hover{border-color:var(--accent)}
.list b{display:block;font-size:14.5px;font-weight:800;line-height:1.5}.list span{display:block;font-size:12px;color:var(--sub)}
.town{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;margin:40px 0 14px}.town:before{content:"";width:10px;height:10px;border-radius:50%;background:var(--accent)}
.wards{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.wards a{display:flex;justify-content:space-between;align-items:baseline;background:var(--card);border-radius:12px;padding:18px 20px;text-decoration:none;font-weight:800;transition:background .15s,color .15s}
.wards a:hover{background:var(--accent);color:#fff}.wards span{font-size:12.5px;color:var(--sub);font-weight:700}.wards a:hover span{color:#dbe8ff}
.jump{display:flex;flex-wrap:wrap;gap:8px}.jump a{font-size:12.5px;font-weight:700;background:#fff;border:1.5px solid var(--line);border-radius:999px;padding:3px 13px;text-decoration:none}.jump a:hover{border-color:var(--accent);color:var(--accent)}
.prose{max-width:820px;background:var(--card);border-radius:18px;padding:12px 36px 36px}.prose h2{font-size:19px;font-weight:800;margin:30px 0 10px}.prose table{width:100%;border-collapse:collapse}
.prose th,.prose td{border-bottom:1px solid var(--line);padding:13px 6px;text-align:left;vertical-align:top;font-size:14px}.prose th{white-space:nowrap;color:var(--sub);font-weight:700;font-size:13px;padding-right:18px}

@media(max-width:820px){.hero-grid{grid-template-columns:1fr;padding:26px 22px;gap:26px}.spec{grid-template-columns:1fr}.opts{grid-template-columns:1fr}.near,.list,.wards{grid-template-columns:1fr 1fr}section{padding:40px 0}.mapcard iframe{height:250px}.btn{flex:1 1 auto;padding:15px 20px}
.top b{font-size:14px;padding:0 14px}.top span{font-size:10px;max-width:46%}.prose{padding:6px 20px 26px}}
@media(max-width:480px){.near,.list{grid-template-columns:1fr}}

/* ヘッダー直下の余白と、トップの背景の街並み */
.top+.eyebrow{margin-top:34px}
.top-hero{background:var(--bg) url(/assets/skyline.svg) center bottom/auto 230px repeat-x;padding-bottom:250px}
.top-hero h1{margin-top:10px}
@media(max-width:820px){.top-hero{background-size:auto 150px;padding-bottom:165px}}

.foot-nav{margin-top:14px}.foot-nav a{text-decoration:none;font-weight:700}.foot-nav a:hover{text-decoration:underline}.prose ul{padding-left:1.2em}.prose li{margin:.3em 0}.prose p a,.prose td a,.prose li a{color:var(--accent)}

/* 回線の対応が確認できた物件の枠 */
.line-card{background:var(--card,#fff);border:2px solid var(--accent);border-radius:20px;padding:32px 34px}
.line-head{display:flex;justify-content:space-between;align-items:center;gap:28px;margin-bottom:18px}
.line-badge{display:inline-flex;align-items:center;gap:6px;background:var(--accent);color:#fff;border-radius:999px;padding:3px 14px 3px 10px;font-size:13px;font-weight:700}.line-badge svg{font-size:16px}
.line-card h3{font-size:clamp(22px,3vw,28px);font-weight:900;line-height:1.4;margin:12px 0 6px}
.line-head p{margin:0;font-size:14.5px}
.line-img{flex:none;width:300px;max-width:42%}.line-img img{display:block;width:100%;height:auto;border-radius:10px;border:1px solid var(--line)}
.line-points{background:var(--pale);border-radius:14px;padding:18px 22px;margin:16px 0 22px}.line-points h4{font-size:15px;font-weight:900;margin:0 0 8px}
.line-points .rc-points li{font-size:14px}.line-points .small{margin:8px 0 0}
.line-table{width:100%;border-collapse:collapse;border:1px solid var(--line);table-layout:fixed}
.line-table th,.line-table td{padding:13px 16px;border:1px solid var(--line);text-align:left;vertical-align:middle;font-size:14.5px;line-height:1.8}
.line-table th{width:30%;background:var(--pale);color:var(--ink);font-weight:700;font-size:14px}
.line-table td{background:#fff}.line-table .cell-note{display:block;font-size:12px;line-height:1.6;color:var(--sub);margin-top:2px}
.line-steps h4{font-size:15px;font-weight:900;margin:24px 0 10px}
.line-steps ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.line-steps li{display:flex;align-items:center;gap:10px;background:var(--bg);border-radius:12px;padding:12px 14px;font-size:14px;font-weight:700}
.line-steps li b{flex:none;width:26px;height:26px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font-size:13px}
.line-cta{margin-top:24px;text-align:center}.line-cta .btn{width:100%;max-width:460px}.line-cta .small{margin:10px 0 0}
.line-asof{margin:10px 4px 0;text-align:right}.line-asof+.line-card{margin-top:32px}
@media(max-width:820px){.line-card{padding:24px 20px}.line-head{flex-direction:column;align-items:stretch;gap:16px}.line-img{width:100%;max-width:none}
.line-table th,.line-table td{padding:10px 10px;font-size:13.5px}.line-table th{width:34%;font-size:13px}
.line-steps ol{grid-template-columns:1fr}}

/* 料金の目安と、ことばの説明 */
.line-card h4{font-size:17px;font-weight:900;margin:28px 0 12px;display:flex;align-items:center;gap:8px}.line-card h4:before{content:"";width:9px;height:9px;border-radius:50%;background:var(--accent)}
.money{background:var(--pale);border-radius:16px;padding:6px 24px 20px;margin:8px 0 4px}
.money-lead{font-size:15.5px;margin:0 0 14px}.money-lead b{font-size:1.25em;color:var(--accent);font-weight:900}
.money-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:16px}
.money-steps div{background:#fff;border-radius:12px;padding:14px 12px;text-align:center}
.money-steps span{display:block;font-size:13px;font-weight:700;color:var(--sub)}.money-steps b{display:block;font-size:20px;font-weight:900;line-height:1.5}.money-steps small{display:block;font-size:12px;color:var(--sub)}
.scroll{overflow-x:auto}
.money-table{width:100%;border-collapse:collapse;background:#fff;min-width:520px}
.money-table th,.money-table td{border:1px solid var(--line);padding:10px 12px;font-size:14px;text-align:right;white-space:nowrap}
.money-table tr:first-child th{background:#f6f8f7;font-size:12.5px;text-align:center;white-space:normal;line-height:1.5}
.money-table tr+tr th{text-align:left;font-weight:700}
.money .small{margin:12px 0 0}
.terms dl{margin:0;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.terms dl div{background:var(--bg);border-radius:12px;padding:14px 16px}
.terms dt{font-weight:900;font-size:14.5px;margin-bottom:2px}.terms dd{margin:0;font-size:14px;line-height:1.8}
@media(max-width:820px){.money{padding:4px 16px 16px}.money-steps{grid-template-columns:1fr}.money-steps div{display:flex;align-items:baseline;justify-content:space-between;text-align:left;padding:10px 14px}.money-steps b{font-size:17px}.terms dl{grid-template-columns:1fr}}

/* 太字＋マーカー（設定の文章で [[ ]] で囲んだ部分） */
.mark{font-weight:900;background:linear-gradient(transparent 58%,#ffe77a 58%);padding:0 2px}

/* ホームルーターの比較表 */
.router-wrap{background:var(--card,#fff);border-radius:16px;padding:6px}
.router-table{width:100%;min-width:760px;border-collapse:collapse;table-layout:fixed}
.router-table th,.router-table td{border:1px solid var(--line);padding:12px 14px;font-size:14px;line-height:1.75;vertical-align:top;text-align:left}
.router-table tr>th:first-child{width:150px;background:var(--pale);font-weight:700;font-size:13.5px;position:sticky;left:0;z-index:1}
.router-table .rt-head th{background:#fff;text-align:center;vertical-align:middle;padding:16px 10px}
.router-table .rt-head th:first-child{background:#fff}
.router-table .rt-head b{display:block;font-size:17px;font-weight:900}.router-table .rt-head span{display:block;font-size:12px;color:var(--sub);font-weight:700}
.router-table .rt-btn td,.router-table .rt-btn th{border:0;background:#fff;padding:14px 8px 8px}
.router-table .rt-btn .btn{width:100%;padding:13px 10px;font-size:14px}
.router-note{margin:12px 4px 0}
@media(max-width:820px){.router-table tr>th:first-child{width:104px;font-size:12.5px;padding:10px 8px}.router-table th,.router-table td{font-size:13px;padding:10px}}

.red{color:#e0322b;font-weight:900}
.sec-h p .mark{color:var(--ink)}
.router-table .rt-logo{display:block;margin:0 auto 8px;max-width:180px}.router-table .rt-logo img{display:block;width:100%;height:auto;border-radius:6px}

/* ホームルーターの紹介カード */
.rc-h{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:900;margin:44px 0 16px}.rc-h:before{content:"";width:10px;height:10px;border-radius:50%;background:var(--accent)}
.rcards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;align-items:start}
.rcard{background:var(--card,#fff);border-radius:16px;padding:22px 20px 20px;display:flex;flex-direction:column;height:100%}
.rc-name b{display:block;font-size:19px;font-weight:900;line-height:1.4}.rc-name span{display:block;font-size:12px;color:var(--sub);font-weight:700;margin-bottom:12px}
.rc-img{display:block;margin:0 0 12px}.rc-img img{display:block;width:100%;height:auto;border-radius:10px;border:1px solid var(--line)}
.rc-body{font-size:14px;margin:0 0 6px}
.rcard h4{font-size:14px;font-weight:900;margin:14px 0 6px}
.rc-points,.rc-cautions{list-style:none;margin:0;padding:0}
.rc-points li,.rc-cautions li{position:relative;padding-left:22px;font-size:13.5px;line-height:1.75;margin:4px 0}
.rc-points li:before{content:"";position:absolute;left:3px;top:.55em;width:10px;height:6px;border-left:2.5px solid var(--accent);border-bottom:2.5px solid var(--accent);transform:rotate(-45deg)}
.rc-cautions li:before{content:"!";position:absolute;left:2px;top:.25em;width:15px;height:15px;border-radius:50%;background:#f0a020;color:#fff;font-size:10.5px;font-weight:900;text-align:center;line-height:15px}
.rcard .btn{margin-top:auto;width:100%;padding:13px 12px;font-size:14px}
.rcard .rc-cautions{margin-bottom:16px}
@media(max-width:820px){.rcards{grid-template-columns:1fr}}

/* トップの都道府県、東京ページの区カード */
.prefs{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.pref{display:flex;flex-direction:column;background:var(--card,#fff);border-radius:16px;padding:22px 24px;text-decoration:none;border:2px solid transparent;transition:border-color .15s}
.pref:hover{border-color:var(--accent)}
.pref b{font-size:24px;font-weight:900;line-height:1.3}.pref span{font-size:13px;color:var(--sub);font-weight:700}
.pref em{font-style:normal;font-size:16px;font-weight:900;color:var(--accent);margin-top:10px}.pref small{font-size:12.5px;color:var(--sub)}
.ward-cards a{flex-direction:column;align-items:flex-start;gap:0}
.ward-cards a b{font-size:17px}.ward-cards a span{font-size:13px}.ward-cards a small{font-size:12px;color:var(--accent);font-weight:700;margin-top:2px}
.ward-cards a:hover small{color:#dbe8ff}
@media(max-width:820px){.prefs{grid-template-columns:1fr}}

.top-hero .top+h1{margin-top:40px}

/* 建物ごとの紹介文（地図の下のアコーディオン） */
.note{margin-top:22px;background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.note summary{cursor:pointer;list-style:none;display:flex;align-items:center;gap:8px;padding:16px 22px;font-weight:800;font-size:16px}
.note summary::-webkit-details-marker{display:none}
.note summary svg{width:18px;height:18px;transition:transform .2s;margin-left:auto}
.note[open] summary svg{transform:rotate(90deg)}
.note-body{padding:0 22px 20px;max-width:900px}
.note-body p{margin:0 0 14px;line-height:1.95;font-size:15px}
.note-body p.src{font-size:12px;color:var(--sub);margin-bottom:0}
@media(max-width:820px){.note summary{padding:14px 18px;font-size:15px}.note-body{padding:0 18px 16px}}
/* 最初の画面の結論（fv_box）と追従ボタン */
.fv{border-top:1px solid var(--line);padding-top:18px}
.fv-h{font-size:18px;font-weight:800;line-height:1.6;margin:0 0 4px}.fv-h a{color:var(--accent)}
.fv-lead{font-size:13px;color:var(--sub);margin:0 0 10px}
.fv-btns{display:grid;gap:10px;grid-template-columns:repeat(var(--n),minmax(0,1fr))}
.btn.fv-btn{flex-direction:column;gap:2px;padding:12px 10px;line-height:1.45;text-align:center}
.fv-b{display:inline-flex;align-items:center;gap:6px;font-size:15px}.fv-s{font-size:12px;font-weight:700;color:#dbe8ff}
.fv-note{margin:8px 0 0}
.fv-space{height:76px}
.fv-sticky{position:fixed;left:0;right:0;bottom:0;z-index:50;display:grid;gap:8px;grid-template-columns:repeat(var(--n),minmax(0,1fr));background:rgba(255,255,255,.97);box-shadow:0 -2px 12px rgba(0,0,0,.1);padding:8px max(12px,calc(50% - 340px)) calc(8px + env(safe-area-inset-bottom));transform:translateY(110%);transition:transform .2s}
.fv-sticky.on{transform:none}
.fv-sticky .btn.fv-btn{padding:11px 6px}.fv-sticky .fv-b{font-size:14px}
@media(max-width:820px){.fv-btns{grid-template-columns:1fr}.fv-h{font-size:17px}.btn.fv-btn{padding:12px 14px}}
@media(max-width:480px){.fv-sticky{gap:6px;padding-left:8px;padding-right:8px}.fv-sticky .fv-b{font-size:13px;gap:3px;white-space:nowrap}.fv-sticky .fv-b svg{display:none}}
.hero-grid>.fv{grid-column:1/-1;margin-top:-12px}
@media(max-width:820px){.hero-grid>.fv{order:1;margin-top:0}.hero-grid>.mapcard{order:2}}
/* 会社ごとのボタンの色（ソフトバンク光・ソフトバンクエアーは標準の青） */
.btn.fv-btn .fv-s{color:rgba(255,255,255,.92)}
.btn.b-docomo-hikari,.btn.b-docomo-home{background:#c8102e}.btn.b-docomo-hikari:hover,.btn.b-docomo-home:hover{background:#a00d25}
.btn.b-au{background:#e8550f}.btn.b-au:hover{background:#c8470b}
.btn.b-jcom{background:#d97706}.btn.b-jcom:hover{background:#b86405}
.btn.b-nuro{background:#6b3fc4}.btn.b-nuro:hover{background:#5732a3}
.btn.b-wimax{background:#16884a}.btn.b-wimax:hover{background:#11703c}
.fv-sticky .fv-s{font-size:11px;line-height:1.35;font-weight:600}
.btn.b-commufa,.btn.b-eo{background:#f5c518;color:#2b2200}.btn.b-commufa:hover,.btn.b-eo:hover{background:#e0b20c}.btn.b-commufa .fv-s,.btn.b-eo .fv-s{color:#4a3b00}
.btn.b-commufa{background:#f7d31a;color:#2b2200}.btn.b-commufa:hover{background:#e6c20c}.btn.b-commufa .fv-s{color:#4a3b00}
.btn.b-eo{background:#e9a500;color:#2b1d00}.btn.b-eo:hover{background:#d39500}.btn.b-eo .fv-s{color:#3d2a00}
.btn.b-megaegg{background:#0b409c}.btn.b-megaegg:hover{background:#08327a}
.compare-table th,.compare-table td{text-align:center}.compare-table .rt-logo{max-width:120px;margin:0 auto}.compare-table .btn{justify-content:center}